Question

Evaluate x−2 for x=−3

Answer 1

1/9 is a required answer.

Answer:

solution given:

`x^(-2)=(1)/(x²)`

again

substituting value of x

we have (-3)²=9

now

`\bold{(1)/(x²)=(1)/(9)}`

Answer 2

1/9

Explanation:

x^-2

We know that a^-2 = 1/ a^2

1/x^2

Let x = -3

1/ (-3)^2

1/9