Question

Упростите выражение:
$textless br / textgreater а) textless br / textgreater frac{x times x ^{5} times x ^{7} }{x ^{4} } textless br / textgreater б) textless br / textgreater frac{5c ^{5} times c}{c ^{4} }$

Answer 1

а)

$frac{x times x ^{5} times x ^{7} }{x ^{4} }= frac{x^{13}}{x^4}=x^9$

б)

$frac{5c ^{5} times c}{c ^{4} } = frac{5c^6}{c^4}=5c^2$