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Question:
2014 Winter Final - 3
Author: Michiel Smid
What is $$ \sum_{k=0}^{45} {45 \choose k} (-3)^{2k}. $$
(a)
$(-2)^{45}$
(b)
$10^{45}$
(c)
$4^{45}$
(d)
$(-8)^{45}$
COMP 2804: Discrete Structures II
COMP 2804 Final Exam
Newton's Binomial Theorem (3.6.2)