factorised. 27x2 - 36xy + 12y2
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using identity,
(a-b)²= a²+b²-2ab
= (3√3x)²+(2√3y)²-2(3√3x)(2√3y)
= (3√3x-2√3y)²
Hope this helps you....✌
(a-b)²= a²+b²-2ab
= (3√3x)²+(2√3y)²-2(3√3x)(2√3y)
= (3√3x-2√3y)²
Hope this helps you....✌
Answered by
0
hi ,,,,dear deepti you did it better.
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