Negative even exponents of negative numbers

131 Views Asked by At

How can I calculate and prove this equation with mathematical terms: pow((-2), -2)=? I know that pow(1, -1) is equal to 1/1 by the way. Any idea, please?

1

There are 1 best solutions below

2
On BEST ANSWER

A negative exponent means taking the reciprocal.

So $(-2)^{-2} = \frac{1}{(-2)^2} = \frac{1}{4}$