Question

(d)
72
12
If (1 + 2x - x2)6 = a, + a,x + a x2 + ... +2,2
then what is ao - a + a2 - az + a4
equal to ?
+ 212
(a32
(b) 64
(c) 2048
(d) 4096​

Answer 1

answer: option b ....

hope it's helpful