5. For all positive integer n, n³ +5n+6 is divis We use induction on n Then (n+12²³+ 5(n+1) 76 = n²³² +31²³²2w 135 (n+1) (ht? 1²72+1 (1)
5. For all positive integer n, n³ +5n+6 is divis We use induction on n Then (n+12²³+ 5(n+1) 76 = n²³² +31²³²2w 135 (n+1) (ht? 1²72+1 (1)
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.1: Ideals And Quotient Rings
Problem 19E: 19. Let and be nonzero integers. Prove that if and only if divides .
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