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Σ r=1 γι 2η Σ 312 erms of n and in its simplest form. 1+2+3+...+ 80 3+ 12 + 27 + + 4800 2 significant figures.

Σ r=1 γι 2η Σ 312 erms of n and in its simplest form. 1+2+3+...+ 80 3+ 12 + 27 + + 4800 2 significant figures.

Elements Of Modern Algebra
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.2: Mathematical Induction
Problem 50E: Show that if the statement 1+2+3+...+n=n(n+1)2+2 is assumed to be true for n=k, the same equation...
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(a) Find Hence evaluate (b) By writing Give your answer in terms of n and in its simplest form. 2 (r + 1) (r + 3) to show that 4n [₁ r=1 1+ 2+ 3+ 3+ 12 + 27 + giving your answer to 2 significant figures. In this question, 1 mark will be given for the correct use of significant figures. r = 1 as T + 1 r + 1 2n [³ r = 1 2 (r + 1)(r + 3) 372 1 r+ 3 where a and b are integers to be found. +80 + 4800 use the method of differences n(an + b) 6(n + 2)(n+3)
Transcribed Image Text:(a) Find Hence evaluate (b) By writing Give your answer in terms of n and in its simplest form. 2 (r + 1) (r + 3) to show that 4n [₁ r=1 1+ 2+ 3+ 3+ 12 + 27 + giving your answer to 2 significant figures. In this question, 1 mark will be given for the correct use of significant figures. r = 1 as T + 1 r + 1 2n [³ r = 1 2 (r + 1)(r + 3) 372 1 r+ 3 where a and b are integers to be found. +80 + 4800 use the method of differences n(an + b) 6(n + 2)(n+3)
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