Question

By what number should (−5) power −1 be multiplied, so that the product becomes 9?​

Answer 1

Answer:

Let the required number be x,

According to the question we can write is as x×(−6

−1

)=9

−1

On applying a

m

=(

a

m

1

) to above equation we get

⇒x×

6

−1

=

9

1

Now on simplifying we get

⇒

6

−x

=

9

1

⇒−x=

9

6

⇒−x=

9

6

⇒x=

3

−2

Answer 2

(–5)×(–5)=5

X + 5 = 9

X = 9 – 5

X = 4

Step-by-step explanation:

I hope it was usefull