expand using algebraic identities (2x+3y)²
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Answered by
2
Step-by-step explanation:
- ( 2x + 3y )^2
- (2x) ^2 + 2(2x) (3y) + (3y)^2
- 4x^2 + 12xy + 9y^2
Answered by
5
Step-by-step explanation:
(2x+3y)² is in the form (a+b)²
which is, a² + 2ab + b²
Here,
a = 2x
b = 3y
So, while expanding, we get,
(2x)² + 2 x 2x x 3y + (3y)²
4x² + 12xy + 9y² which is equal to a² + 2ab + b²
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