Question 90 (xii)Factorise the following, using the identity, a2−2ab – InterviewSolution

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1.	Question 90 (xii)Factorise the following, using the identity, a2−2ab+b2=(a−b)2.9y2−4xy+4x29
Answer» Question 90 (xii) Factorise the following, using the identity, $a^{2} - 2 a b + b^{2} = (a - b)^{2}$ . $9 y^{2} - 4 x y + \frac{4 x^{2}}{9}$

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