Question

expand each of the following using suitable identities :- (x+2y+4z) ² ok arnadeep11 I can be ur frnd​

Answer 1

hello friend!

Step-by-step explanation:

x² + (2y)² + (4z)² + (2×x×2y) + (2×2y×4z) + (2×4z×x) ... (2x)² + (-y)² + z² + (2× 2x×-y) + (2×-y×z) + (2×z×2x). = 4x² + y² + z² ...