Question

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

Answer 1

Answer:

General formula ;

(a+b+c)² = a² + b² + c² + 2ab + 2ac + 2bc

In This Question ;

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

= a² + c² + 4d² + 2ac + 4ad + 4cd

Answer 2

Answer:- a^2 + c^2 + 4d^2 + 2ac + 4cd + 4ad


Solution is in this picture!!!



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