Question

Разложите на множители:
${x}^{2} {y}^{2} - \frac{4}{9}$
$1\frac{7}{9} {m}^{2} {n}^{2} - 1 \frac{11}{25} {a}^{6} {b}^{2}$

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Answer 1

N1

(xy-2/3)(xy+2/3)

N2

(16/9m²n²-36/25a⁶b²) =

= (4/3mn - 6/5a³b)