Question

find x² y² if x² + y² = 9

Answer 1

$hi \: mate \\ \\ \\ we \: know \: that \: a.m \geqslant g.m \\ \\ \\ x {}^{2} + y {}^{2} \div 2 \geqslant (x {}^{2} {y}^{2} ) {}^{1 \div 2} \\ \\ \\ x {}^{2} y {}^{2} \leqslant 81 \div 4$

Answer 2

x² y² = 3

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