Question

How do you express `p^-1` as a positive exponent?

Answer 1

Use these rule for exponents: `x^color(red)(a) = 1/x^color(red)(-a)` and `a^color(red)(1) = a`

`p^color(red)(-1) = 1/p^color(red)(- -1) = 1/p^1 = 1/p`