Question

Q13. By what number should (15)-1 be divided so that the quotient may be equal to (-5)-1​

Answer 1

Answer:

(-3)1 be divided so the quotient may be come (-5)-1

Answer 2

Heya mate! let's do it...

Let the number be x

$= \frac{15^{-1} }{x} = (-5)^{-1} \\= 15^{-1} = (-5)^{-1}x\\= \frac{15^{-1} }{-5^{-1} } = x\\= -3^{-1} = x$

have a good day man!