Question

Evaluate (3x + 4y) ²​

Answer 1

Answer:

1) (3x +4y)²

sol.

=> (3x)²+(4y)²+2 ×3x ×4y

=>. 9x² +16y +24xy

Step-by-step explanation:

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Answer 2

using the formula (a + b)² = a²+ 2ab + b²

(3x + 4y) ²​ = (3x)² + 2(3x)(4y) + (4y)²

(3x + 4y) ²​  =  9x² + 24xy +16y²