Question

Спростити вираз:
$5a {}^{6} \times ( - 3a {}^{ - 2} b {}^{ - 3} ) {}^{ - 2}$
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Answer 1

$5a^6*(-3a^{-2}b^{-3} )^{-2} = 5a^6*(-3)^{-2} a^4b^6 = \frac{5}{9} a^{10}b^6$