Question

Solve by reducing two pair of eqn
1/2x+1/3y=2 and 1/3x+1/2y=13/6

Answer 1

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Answer 2

$( \frac{1}{2} x + \frac{2}{3} y) {}^{2} \\ \\ = > ( \frac{1}{2} x) {}^{2} + ( \frac{2}{3} y ) {}^{2} + 2 \times \frac{1}{2} x \times \frac{2}{3} y \\ \\ = > \frac{1}{4} x {}^{2} + \frac{4}{9} y {}^{2} + \frac{2}{3} xy$