Question
Question: If w i None of these (1 – w + w<sup>2</sup>)<sup>5</sup>+(1+ w – w<sup>2</sup>)<sup>5</sup> is equal...
If w i None of these (1 – w + w2)5+(1+ w – w2)5 is equal to
A
–32
B
8
C
32
D
–16
Answer
32
Explanation
Solution
Sol. (–2w)5 + (–2w2)5
= (– 32w5) + (–32w10)
= – 32 (w2 + w) = – 32(–1) = 32