Question

using appropriate identities solve (a+c+2d)²​

Answer 1

Answer:

a²+c²+(2d)²+2ac+2c×2d+2×2d×a

a²+c²+4d²+2ac+4cd+4ad

Answer 2

Answer:

identity: (a+b+c)²= a²+b²+c²+2ab+2bc+2ad

Explanation:

(a+c+2d)²

a²+c²+(2d)²+(2)(a)(c)+(2)(c)(2d)+(2)(2d)(a)

a²+c²+4d²+2ac+4cd+4ad