Calculus
7th Edition
ISBN: 9781524916817
Author: SMITH KARL J, STRAUSS MONTY J, TODA MAGDALENA DANIELE
Publisher: Kendall Hunt Publishing
expand_more
expand_more
format_list_bulleted
Question
Chapter 4.1, Problem 57PS
a)
To determine
Show that the number is greater than or equal to by its own square.
b)
To determine
Show that the number is greater than or equal to by its own cube in a greater amount.
c)
To determine
Show that the number is greater than or equal toits nth power by greatest amount.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 4 Solutions
Calculus
Ch. 4.1 - Prob. 1PSCh. 4.1 - Prob. 2PSCh. 4.1 - Prob. 3PSCh. 4.1 - Prob. 4PSCh. 4.1 - Prob. 5PSCh. 4.1 - Prob. 6PSCh. 4.1 - Prob. 7PSCh. 4.1 - Prob. 8PSCh. 4.1 - Prob. 9PSCh. 4.1 - Prob. 10PS
Ch. 4.1 - Prob. 11PSCh. 4.1 - Prob. 12PSCh. 4.1 - Prob. 13PSCh. 4.1 - Prob. 14PSCh. 4.1 - Prob. 15PSCh. 4.1 - Prob. 16PSCh. 4.1 - Prob. 17PSCh. 4.1 - Prob. 18PSCh. 4.1 - Prob. 19PSCh. 4.1 - Prob. 20PSCh. 4.1 - Prob. 21PSCh. 4.1 - Prob. 22PSCh. 4.1 - Prob. 23PSCh. 4.1 - Prob. 24PSCh. 4.1 - Prob. 25PSCh. 4.1 - Prob. 26PSCh. 4.1 - Prob. 27PSCh. 4.1 - Prob. 28PSCh. 4.1 - Prob. 29PSCh. 4.1 - Prob. 30PSCh. 4.1 - Prob. 31PSCh. 4.1 - Prob. 32PSCh. 4.1 - Prob. 33PSCh. 4.1 - Prob. 34PSCh. 4.1 - Prob. 35PSCh. 4.1 - Prob. 36PSCh. 4.1 - Prob. 37PSCh. 4.1 - Prob. 38PSCh. 4.1 - Prob. 39PSCh. 4.1 - Prob. 40PSCh. 4.1 - Prob. 41PSCh. 4.1 - Prob. 42PSCh. 4.1 - Prob. 43PSCh. 4.1 - Prob. 44PSCh. 4.1 - Prob. 45PSCh. 4.1 - Prob. 46PSCh. 4.1 - Prob. 47PSCh. 4.1 - Prob. 48PSCh. 4.1 - Prob. 49PSCh. 4.1 - Prob. 50PSCh. 4.1 - Prob. 51PSCh. 4.1 - Prob. 52PSCh. 4.1 - Prob. 53PSCh. 4.1 - Prob. 54PSCh. 4.1 - Prob. 55PSCh. 4.1 - Prob. 56PSCh. 4.1 - Prob. 57PSCh. 4.1 - Prob. 58PSCh. 4.1 - Prob. 59PSCh. 4.1 - Prob. 60PSCh. 4.2 - Prob. 1PSCh. 4.2 - Prob. 2PSCh. 4.2 - Prob. 3PSCh. 4.2 - Prob. 4PSCh. 4.2 - Prob. 5PSCh. 4.2 - Prob. 6PSCh. 4.2 - Prob. 7PSCh. 4.2 - Prob. 8PSCh. 4.2 - Prob. 9PSCh. 4.2 - Prob. 10PSCh. 4.2 - Prob. 11PSCh. 4.2 - Prob. 12PSCh. 4.2 - Prob. 13PSCh. 4.2 - Prob. 14PSCh. 4.2 - Prob. 15PSCh. 4.2 - Prob. 16PSCh. 4.2 - Prob. 17PSCh. 4.2 - Prob. 18PSCh. 4.2 - Prob. 19PSCh. 4.2 - Prob. 20PSCh. 4.2 - Prob. 21PSCh. 4.2 - Prob. 22PSCh. 4.2 - Prob. 23PSCh. 4.2 - Prob. 24PSCh. 4.2 - Prob. 25PSCh. 4.2 - Prob. 26PSCh. 4.2 - Prob. 27PSCh. 4.2 - Prob. 28PSCh. 4.2 - Prob. 29PSCh. 4.2 - Prob. 30PSCh. 4.2 - Prob. 31PSCh. 4.2 - Prob. 32PSCh. 4.2 - Prob. 33PSCh. 4.2 - Prob. 34PSCh. 4.2 - Prob. 35PSCh. 4.2 - Prob. 36PSCh. 4.2 - Prob. 37PSCh. 4.2 - Prob. 38PSCh. 4.2 - Prob. 39PSCh. 4.2 - Prob. 40PSCh. 4.2 - Prob. 41PSCh. 4.2 - Prob. 42PSCh. 4.2 - Prob. 43PSCh. 4.2 - Prob. 44PSCh. 4.2 - Prob. 45PSCh. 4.2 - Prob. 46PSCh. 4.2 - Prob. 47PSCh. 4.2 - Prob. 48PSCh. 4.2 - Prob. 49PSCh. 4.2 - Prob. 50PSCh. 4.2 - Prob. 51PSCh. 4.2 - Prob. 52PSCh. 4.2 - Prob. 53PSCh. 4.2 - Prob. 54PSCh. 4.2 - Prob. 55PSCh. 4.2 - Prob. 56PSCh. 4.2 - Prob. 57PSCh. 4.2 - Prob. 58PSCh. 4.2 - Prob. 59PSCh. 4.2 - Prob. 60PSCh. 4.3 - Prob. 1PSCh. 4.3 - Prob. 2PSCh. 4.3 - Prob. 3PSCh. 4.3 - Prob. 4PSCh. 4.3 - Prob. 5PSCh. 4.3 - Prob. 6PSCh. 4.3 - Prob. 7PSCh. 4.3 - Prob. 8PSCh. 4.3 - Prob. 9PSCh. 4.3 - Prob. 10PSCh. 4.3 - Prob. 11PSCh. 4.3 - Prob. 12PSCh. 4.3 - Prob. 13PSCh. 4.3 - Prob. 14PSCh. 4.3 - Prob. 15PSCh. 4.3 - Prob. 16PSCh. 4.3 - Prob. 17PSCh. 4.3 - Prob. 18PSCh. 4.3 - Prob. 19PSCh. 4.3 - Prob. 20PSCh. 4.3 - Prob. 21PSCh. 4.3 - Prob. 22PSCh. 4.3 - Prob. 23PSCh. 4.3 - Prob. 24PSCh. 4.3 - Prob. 25PSCh. 4.3 - Prob. 26PSCh. 4.3 - Prob. 27PSCh. 4.3 - Prob. 28PSCh. 4.3 - Prob. 29PSCh. 4.3 - Prob. 30PSCh. 4.3 - Prob. 31PSCh. 4.3 - Prob. 32PSCh. 4.3 - Prob. 33PSCh. 4.3 - Prob. 34PSCh. 4.3 - Prob. 35PSCh. 4.3 - Prob. 36PSCh. 4.3 - Prob. 37PSCh. 4.3 - Prob. 38PSCh. 4.3 - Prob. 39PSCh. 4.3 - Prob. 40PSCh. 4.3 - Prob. 41PSCh. 4.3 - Prob. 42PSCh. 4.3 - Prob. 43PSCh. 4.3 - Prob. 44PSCh. 4.3 - Prob. 45PSCh. 4.3 - Prob. 46PSCh. 4.3 - Prob. 47PSCh. 4.3 - Prob. 48PSCh. 4.3 - Prob. 49PSCh. 4.3 - Prob. 50PSCh. 4.3 - Prob. 51PSCh. 4.3 - Prob. 52PSCh. 4.3 - Prob. 53PSCh. 4.3 - Prob. 54PSCh. 4.3 - Prob. 55PSCh. 4.3 - Prob. 56PSCh. 4.3 - Prob. 57PSCh. 4.3 - Prob. 58PSCh. 4.3 - Prob. 59PSCh. 4.3 - Prob. 60PSCh. 4.4 - Prob. 1PSCh. 4.4 - Prob. 2PSCh. 4.4 - Prob. 3PSCh. 4.4 - Prob. 4PSCh. 4.4 - Prob. 5PSCh. 4.4 - Prob. 6PSCh. 4.4 - Prob. 7PSCh. 4.4 - Prob. 8PSCh. 4.4 - Prob. 9PSCh. 4.4 - Prob. 10PSCh. 4.4 - Prob. 11PSCh. 4.4 - Prob. 12PSCh. 4.4 - Prob. 13PSCh. 4.4 - Prob. 14PSCh. 4.4 - Prob. 15PSCh. 4.4 - Prob. 16PSCh. 4.4 - Prob. 17PSCh. 4.4 - Prob. 18PSCh. 4.4 - Prob. 19PSCh. 4.4 - Prob. 20PSCh. 4.4 - Prob. 21PSCh. 4.4 - Prob. 22PSCh. 4.4 - Prob. 23PSCh. 4.4 - Prob. 24PSCh. 4.4 - Prob. 25PSCh. 4.4 - Prob. 26PSCh. 4.4 - Prob. 27PSCh. 4.4 - Prob. 28PSCh. 4.4 - Prob. 29PSCh. 4.4 - Prob. 30PSCh. 4.4 - Prob. 31PSCh. 4.4 - Prob. 32PSCh. 4.4 - Prob. 33PSCh. 4.4 - Prob. 34PSCh. 4.4 - Prob. 35PSCh. 4.4 - Prob. 36PSCh. 4.4 - Prob. 37PSCh. 4.4 - Prob. 38PSCh. 4.4 - Prob. 39PSCh. 4.4 - Prob. 40PSCh. 4.4 - Prob. 41PSCh. 4.4 - Prob. 42PSCh. 4.4 - Prob. 43PSCh. 4.4 - Prob. 44PSCh. 4.4 - Prob. 45PSCh. 4.4 - Prob. 46PSCh. 4.4 - Prob. 47PSCh. 4.4 - Prob. 48PSCh. 4.4 - Prob. 49PSCh. 4.4 - Prob. 50PSCh. 4.4 - Prob. 51PSCh. 4.4 - Prob. 52PSCh. 4.4 - Prob. 53PSCh. 4.4 - Prob. 54PSCh. 4.4 - Prob. 55PSCh. 4.4 - Prob. 56PSCh. 4.4 - Prob. 57PSCh. 4.4 - Prob. 58PSCh. 4.4 - Prob. 59PSCh. 4.4 - Prob. 60PSCh. 4.5 - Prob. 1PSCh. 4.5 - Prob. 2PSCh. 4.5 - Prob. 3PSCh. 4.5 - Prob. 4PSCh. 4.5 - Prob. 5PSCh. 4.5 - Prob. 6PSCh. 4.5 - Prob. 7PSCh. 4.5 - Prob. 8PSCh. 4.5 - Prob. 9PSCh. 4.5 - Prob. 10PSCh. 4.5 - Prob. 11PSCh. 4.5 - Prob. 12PSCh. 4.5 - Prob. 13PSCh. 4.5 - Prob. 14PSCh. 4.5 - Prob. 15PSCh. 4.5 - Prob. 16PSCh. 4.5 - Prob. 17PSCh. 4.5 - Prob. 18PSCh. 4.5 - Prob. 19PSCh. 4.5 - Prob. 20PSCh. 4.5 - Prob. 21PSCh. 4.5 - Prob. 22PSCh. 4.5 - Prob. 23PSCh. 4.5 - Prob. 24PSCh. 4.5 - Prob. 25PSCh. 4.5 - Prob. 26PSCh. 4.5 - Prob. 27PSCh. 4.5 - Prob. 28PSCh. 4.5 - Prob. 29PSCh. 4.5 - Prob. 30PSCh. 4.5 - Prob. 31PSCh. 4.5 - Prob. 32PSCh. 4.5 - Prob. 33PSCh. 4.5 - Prob. 34PSCh. 4.5 - Prob. 35PSCh. 4.5 - Prob. 36PSCh. 4.5 - Prob. 37PSCh. 4.5 - Prob. 38PSCh. 4.5 - Prob. 39PSCh. 4.5 - Prob. 40PSCh. 4.5 - Prob. 41PSCh. 4.5 - Prob. 42PSCh. 4.5 - Prob. 43PSCh. 4.5 - Prob. 44PSCh. 4.5 - Prob. 45PSCh. 4.5 - Prob. 46PSCh. 4.5 - Prob. 47PSCh. 4.5 - Prob. 48PSCh. 4.5 - Prob. 49PSCh. 4.5 - Prob. 50PSCh. 4.5 - Prob. 51PSCh. 4.5 - Prob. 52PSCh. 4.5 - Prob. 53PSCh. 4.5 - Prob. 54PSCh. 4.5 - Prob. 55PSCh. 4.5 - Prob. 56PSCh. 4.5 - Prob. 57PSCh. 4.5 - Prob. 58PSCh. 4.5 - Prob. 59PSCh. 4.5 - Prob. 60PSCh. 4.6 - Prob. 1PSCh. 4.6 - Prob. 2PSCh. 4.6 - Prob. 3PSCh. 4.6 - Prob. 4PSCh. 4.6 - Prob. 5PSCh. 4.6 - Prob. 6PSCh. 4.6 - Prob. 7PSCh. 4.6 - Prob. 8PSCh. 4.6 - Prob. 9PSCh. 4.6 - Prob. 10PSCh. 4.6 - Prob. 11PSCh. 4.6 - Prob. 12PSCh. 4.6 - Prob. 13PSCh. 4.6 - Prob. 14PSCh. 4.6 - Prob. 15PSCh. 4.6 - Prob. 16PSCh. 4.6 - Prob. 17PSCh. 4.6 - Prob. 18PSCh. 4.6 - Prob. 19PSCh. 4.6 - Prob. 20PSCh. 4.6 - Prob. 21PSCh. 4.6 - Prob. 22PSCh. 4.6 - Prob. 23PSCh. 4.6 - Prob. 24PSCh. 4.6 - Prob. 25PSCh. 4.6 - Prob. 26PSCh. 4.6 - Prob. 27PSCh. 4.6 - Prob. 28PSCh. 4.6 - Prob. 29PSCh. 4.6 - Prob. 30PSCh. 4.6 - Prob. 31PSCh. 4.6 - Prob. 32PSCh. 4.6 - Prob. 33PSCh. 4.6 - Prob. 34PSCh. 4.6 - Prob. 35PSCh. 4.6 - Prob. 36PSCh. 4.6 - Prob. 37PSCh. 4.6 - Prob. 38PSCh. 4.6 - Prob. 39PSCh. 4.6 - Prob. 40PSCh. 4.6 - Prob. 41PSCh. 4.6 - Prob. 42PSCh. 4.6 - Prob. 43PSCh. 4.6 - Prob. 44PSCh. 4.6 - Prob. 45PSCh. 4.6 - Prob. 46PSCh. 4.6 - Prob. 47PSCh. 4.6 - Prob. 48PSCh. 4.6 - Prob. 49PSCh. 4.6 - Prob. 50PSCh. 4.6 - Prob. 51PSCh. 4.6 - Prob. 52PSCh. 4.6 - Prob. 53PSCh. 4.6 - Prob. 54PSCh. 4.6 - Prob. 55PSCh. 4.6 - Prob. 56PSCh. 4.6 - Prob. 57PSCh. 4.6 - Prob. 58PSCh. 4.6 - Prob. 59PSCh. 4.6 - Prob. 60PSCh. 4.7 - Prob. 1PSCh. 4.7 - Prob. 2PSCh. 4.7 - Prob. 3PSCh. 4.7 - Prob. 4PSCh. 4.7 - Prob. 5PSCh. 4.7 - Prob. 6PSCh. 4.7 - Prob. 7PSCh. 4.7 - Prob. 8PSCh. 4.7 - Prob. 9PSCh. 4.7 - Prob. 10PSCh. 4.7 - Prob. 11PSCh. 4.7 - Prob. 12PSCh. 4.7 - Prob. 13PSCh. 4.7 - Prob. 14PSCh. 4.7 - Prob. 15PSCh. 4.7 - Prob. 16PSCh. 4.7 - Prob. 17PSCh. 4.7 - Prob. 18PSCh. 4.7 - Prob. 19PSCh. 4.7 - Prob. 20PSCh. 4.7 - Prob. 21PSCh. 4.7 - Prob. 22PSCh. 4.7 - Prob. 23PSCh. 4.7 - Prob. 24PSCh. 4.7 - Prob. 25PSCh. 4.7 - Prob. 26PSCh. 4.7 - Prob. 27PSCh. 4.7 - Prob. 28PSCh. 4.7 - Prob. 29PSCh. 4.7 - Prob. 30PSCh. 4.7 - Prob. 31PSCh. 4.7 - Prob. 32PSCh. 4.7 - Prob. 33PSCh. 4.7 - Prob. 34PSCh. 4.7 - Prob. 35PSCh. 4.7 - Prob. 36PSCh. 4.7 - Prob. 37PSCh. 4.7 - Prob. 38PSCh. 4.7 - Prob. 39PSCh. 4.7 - Prob. 40PSCh. 4.7 - Prob. 41PSCh. 4.7 - Prob. 42PSCh. 4.7 - Prob. 43PSCh. 4.7 - Prob. 44PSCh. 4.7 - Prob. 45PSCh. 4.7 - Prob. 46PSCh. 4.7 - Prob. 47PSCh. 4.7 - Prob. 48PSCh. 4.7 - Prob. 49PSCh. 4.7 - Prob. 50PSCh. 4.7 - Prob. 51PSCh. 4.7 - Prob. 52PSCh. 4.7 - Prob. 53PSCh. 4.7 - Prob. 54PSCh. 4.7 - Prob. 55PSCh. 4.7 - Prob. 56PSCh. 4.7 - Prob. 57PSCh. 4.7 - Prob. 58PSCh. 4.7 - Prob. 59PSCh. 4.7 - Prob. 60PSCh. 4 - Prob. 1PECh. 4 - Prob. 2PECh. 4 - Prob. 3PECh. 4 - Prob. 4PECh. 4 - Prob. 5PECh. 4 - Prob. 6PECh. 4 - Prob. 7PECh. 4 - Prob. 8PECh. 4 - Prob. 9PECh. 4 - Prob. 10PECh. 4 - Prob. 11PECh. 4 - Prob. 12PECh. 4 - Prob. 13PECh. 4 - Prob. 14PECh. 4 - Prob. 15PECh. 4 - Prob. 16PECh. 4 - Prob. 17PECh. 4 - Prob. 18PECh. 4 - Prob. 19PECh. 4 - Prob. 20PECh. 4 - Prob. 21PECh. 4 - Prob. 22PECh. 4 - Prob. 23PECh. 4 - Prob. 24PECh. 4 - Prob. 25PECh. 4 - Prob. 26PECh. 4 - Prob. 27PECh. 4 - Prob. 28PECh. 4 - Prob. 29PECh. 4 - Prob. 30PECh. 4 - Prob. 1SPCh. 4 - Prob. 2SPCh. 4 - Prob. 3SPCh. 4 - Prob. 4SPCh. 4 - Prob. 5SPCh. 4 - Prob. 6SPCh. 4 - Prob. 7SPCh. 4 - Prob. 8SPCh. 4 - Prob. 9SPCh. 4 - Prob. 10SPCh. 4 - Prob. 11SPCh. 4 - Prob. 12SPCh. 4 - Prob. 13SPCh. 4 - Prob. 14SPCh. 4 - Prob. 15SPCh. 4 - Prob. 16SPCh. 4 - Prob. 17SPCh. 4 - Prob. 18SPCh. 4 - Prob. 19SPCh. 4 - Prob. 20SPCh. 4 - Prob. 21SPCh. 4 - Prob. 22SPCh. 4 - Prob. 23SPCh. 4 - Prob. 24SPCh. 4 - Prob. 25SPCh. 4 - Prob. 26SPCh. 4 - Prob. 27SPCh. 4 - Prob. 28SPCh. 4 - Prob. 29SPCh. 4 - Prob. 30SPCh. 4 - Prob. 31SPCh. 4 - Prob. 32SPCh. 4 - Prob. 33SPCh. 4 - Prob. 34SPCh. 4 - Prob. 35SPCh. 4 - Prob. 36SPCh. 4 - Prob. 37SPCh. 4 - Prob. 38SPCh. 4 - Prob. 39SPCh. 4 - Prob. 40SPCh. 4 - Prob. 41SPCh. 4 - Prob. 42SPCh. 4 - Prob. 43SPCh. 4 - Prob. 44SPCh. 4 - Prob. 45SPCh. 4 - Prob. 46SPCh. 4 - Prob. 47SPCh. 4 - Prob. 48SPCh. 4 - Prob. 49SPCh. 4 - Prob. 50SPCh. 4 - Prob. 51SPCh. 4 - Prob. 52SPCh. 4 - Prob. 53SPCh. 4 - Prob. 54SPCh. 4 - Prob. 55SPCh. 4 - Prob. 56SPCh. 4 - Prob. 57SPCh. 4 - Prob. 58SPCh. 4 - Prob. 59SPCh. 4 - Prob. 60SPCh. 4 - Prob. 61SPCh. 4 - Prob. 62SPCh. 4 - Prob. 63SPCh. 4 - Prob. 64SPCh. 4 - Prob. 65SPCh. 4 - Prob. 66SPCh. 4 - Prob. 67SPCh. 4 - Prob. 68SPCh. 4 - Prob. 69SPCh. 4 - Prob. 70SPCh. 4 - Prob. 71SPCh. 4 - Prob. 72SPCh. 4 - Prob. 73SPCh. 4 - Prob. 74SPCh. 4 - Prob. 75SPCh. 4 - Prob. 76SPCh. 4 - Prob. 77SPCh. 4 - Prob. 78SPCh. 4 - Prob. 79SPCh. 4 - Prob. 80SPCh. 4 - Prob. 81SPCh. 4 - Prob. 82SPCh. 4 - Prob. 83SPCh. 4 - Prob. 84SPCh. 4 - Prob. 85SPCh. 4 - Prob. 86SPCh. 4 - Prob. 87SPCh. 4 - Prob. 88SPCh. 4 - Prob. 89SPCh. 4 - Prob. 90SPCh. 4 - Prob. 91SPCh. 4 - Prob. 92SPCh. 4 - Prob. 93SPCh. 4 - Prob. 94SPCh. 4 - Prob. 95SPCh. 4 - Prob. 96SPCh. 4 - Prob. 97SPCh. 4 - Prob. 98SPCh. 4 - Prob. 99SP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.Similar questions
- Examine several rectangles, each with an area of 36 in2, and find the dimensions of the rectangle that has the smallest perimeter. What type of figure has the smallest perimeter?arrow_forwarda Does the similarity relationship have a reflexive property for triangles and polygons in general? b Is there a symmetric property for the similarity of triangles and polygons? c Is there a transitive property for the similarity of triangles and polygons?arrow_forward
Recommended textbooks for you
- Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellElementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
- College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage LearningMathematics For Machine TechnologyAdvanced MathISBN:9781337798310Author:Peterson, John.Publisher:Cengage Learning,
Algebra: Structure And Method, Book 1
Algebra
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:McDougal Littell
Elementary Geometry For College Students, 7e
Geometry
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Cengage,
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
Mathematics For Machine Technology
Advanced Math
ISBN:9781337798310
Author:Peterson, John.
Publisher:Cengage Learning,
Problems on Area and Circumference of Circle| Basics of Circle| Questions on Circle||BrainPanthers; Author: Brain Panthers;https://www.youtube.com/watch?v=RcNEL9OzcC0;License: Standard YouTube License, CC-BY