(2a+3b)²+2(2a+3b)(2a-3b)+(2a-3b)²
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Answer:
(2a+3b)²+2(2a+3b)(2a-3b)+(2a-3b)² = 4a²
Step-by-step explanation:
(2a+3b)²+2(2a+3b)(2a-3b)+(2a-3b)²
Let, (2a+3b)= x
(2a-3b)= y
Given expression, x²+2xy+y²= (x+y)²
= {(2a+3b)+(2a-3b)}²
= (2a+3b+2a-3b)
= (2a)²= 4a²
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