Question

Efectuati:
$( {x}^{2} + {2y}^{ - 2} ) {}^{3}$
$(a {}^{ - 3} + ab {}^{2} ) {}^{3}$
$(2.5z + 3tz {}^{2} ) {}^{3}$
$(a {}^{3} b + 0.1b) {}^{3}$
Va rog mult!
dau 20 puncte
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Answer 1

a)

$(x {}^{2} - 2 \times \frac{1}{y {}^{2} } ) {}^{3}$

$(x {}^{2} - \frac{2}{y {}^{2} } ) {}^{3}$

$( \frac{x {}^{2}y {}^{2} - 2}{y {}^{2} } ) {}^{3}$

$( \frac{x {}^{2}y {}^{2} - 2 }{y {}^{6} } ) {}^{3}$

$\frac{x {}^{6}y {}^{6} - 6x {}^{4} + 12x {}^{2} y {}^{2} - 8 }{y {}^{6} }$