Mathematics 4024 · O Level · Indices I

Indices I — practice question

$a^x = 5$.

(a)[1]

Calculate $a^{2x}$.

(b)[1]

Calculate $a^{-x}$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The answer is $25$.” …