Factorise 9x square + 12xy+4y square using identity – InterviewSolution

1.

Factorise 9x square + 12xy+4y square using identity

Answer»

(3X+2Y)(3x+2y)

Step-by-step explanation:

=(3x)square+2(3x)(2y)+(2y)square

=(3x+2y)square. .....a square + b square + 2AB=

(a+b)square

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

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