12. Determine whether the following is true: (a) ≥3, EZ, 31(2²" - 1); n (n + 1)(2n +1) (b) 12+22+ 32 + +n 2. 6 Vn EZ,n 21.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter5: Factoring Polynomials
Section5.8: Factoring Pattern For X2+bx+c, C Negative
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12.
Determine whether the following is true:
(a) Vn 23,n EZ, 3|(2²¹ - 1);
n (n + 1)(2n + 1)
(b) 12+22+ 32 + +n 2 =
6
VnEZ,n 21.
ITI
Transcribed Image Text:12. Determine whether the following is true: (a) Vn 23,n EZ, 3|(2²¹ - 1); n (n + 1)(2n + 1) (b) 12+22+ 32 + +n 2 = 6 VnEZ,n 21. ITI
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