Question

By what number should (-1/7)+³ be multplied to get (-3/7)⁴​

Answer 1

${\red{\underline{\underline{\bf{ Question : }}}}}$

By what number should (-1/7)³ be multplied to get (-3/7)⁴

${\orange{\underline{\underline{\bf{ Solution : }}}}}$

Let, the (-1/7)³ is multiplied by x to get (-3/7)⁴

(-1/7)³ × x = (-3/7)⁴

={-1/7 × (-1/7 ) × (-1/7)} × x = {-3/7 × (-3/7)×(-3/7)×(-3/7)}

= -1/333 × x = 81/2331

= -1/333 ÷ 81/2331 = x

= -1/333 × 2331/81 = x

= -1/1 × 7/81

= -7/81 = x

-7/81 are multiplied by (-1/7)³ to get (-3/7)⁴

${\green{\underline{\underline{\bf{ Answer : \frac{-7}{81} }}}}}$

Answer 2

Answer:

ans is -81/7

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