Question

(1-2x+2x²)²=a0+a1x+a2x²+a3x³+a4x⁴. then sum of the coefficient a1+a2+a3+a4 is :
a)0
b)1
c)73
d)18
the answer is 0 pls explain it​

Answer 1

Step-by-step explanation:

x=0

a0= 1

X=1

a0+a1+a2+a3+a4=1

a1+a2+a3+a4=0

Answer 2

Answer:

answer for the given problem is given