Question

Find the value of (3⁻¹ + 4⁻¹ + 5⁻¹)⁰

Answer 1

(3⁻¹ + 4⁻¹ + 5⁻¹)⁰ = `(1/3 + 1/4 + 1/5)^0`          `"       "(a^(-m = 1/ a^m))`

= 1 (a⁰ = 1)