Question

Упростить
1) у^9 * у^4 / у^5
2) в^5 * в / в^2​

Answer 1

$1) \frac{y {}^{9}\cdot~y {}^{4} }{y {}^{5} } = \frac{y {}^{9 + 4} }{y {}^{5} } = \frac{y {}^{13} }{y {}^{5} } = y {}^{13 - 5} = y {}^{8}$

$2) \frac{b {}^{5}\cdot~b }{b {}^{2} } = \frac{b {}^{5 + 1} }{b {}^{2} } = \frac{b {}^{6} }{b {}^{2} } = b {}^{6 - 2} = b {}^{4}$