Question

3 Scrieți rezultatul sub forma unei singure puteri:
d)(7/17)⁵:(21/17)⁵
e)(13/8)⁶:(39/32)⁶
f)(4 1/6)la puterea 12 :(11 1/9)⁶





/ este semn de fracție
vă rooooogggggg​

Answer 1

Răspuns:

Metoda 1

d.

${( \frac{7}{17} )}^{5} \div {( \frac{21}{17} )}^{5} = \frac{ {7}^{5} }{ {17}^{5} } \times \frac{ {17}^{5} }{ {21}^{5} } = \frac{ {7}^{5} }{ {21}^{5} } = ( \frac{7}{21} ) {}^{5} = ( \frac{1}{3} ) ^{5}$

Metoda 2

e.

$( \frac{13}{8} ) {}^{6} \div ( \frac{39}{32} ) {}^{6} = ( \frac{13}{8} \div \frac{39}{32} ) {}^{6} = ( \frac{13}{8} \times \frac{32}{39} ) {}^{6} = ( \frac{4}{3} ) {}^{6}$