Expand(3x+2y)^2 by using identity. – InterviewSolution

1.

Expand(3x+2y)^2 by using identity.

Answer»

This is in the form of (a + B) ^2

WHOSE FORMULA is a^2 +b^2 +2ab

here a = 3x and b= 2Y

so answer = 3x^2 + 2y^2 + 2×3x×2y

= 9x^2 + 4y^2 + 12xy

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