(ax)2 =___
a(x2)
a2x
2ax
both A and B
(ax)2 = (ax) × (ax)
∵km ×kn = k(m+n)
⇒(ax)2 = ax+x
=a2x
If the coefficient of x7 in [ax2+(1bx)]11 equals the coefficient of x−7 in [ax2−(1bx)]11, then 'a' and 'b' satisfy the relation