Question

(2/3x-3/4y)² find the for this question ​

Answer 1

Answer:

4x2/9 - xy + 9y2/16

Step-by-step explanation:

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Answer 2

$( \frac{2}{3} x - \frac{3}{4}y ) {}^{2} \\ \\ = > \frac{2}{3} x {}^{2} + \frac{3}{4} y {}^{2} - 2 \times ( \frac{2}{3} x) \times ( \frac{3}{4} y) \\ \\ = > \frac{4}{9} x {}^{2} + \frac{9}{16} y {}^{2} - xy$