Question

Given that a­­^b = x, evaluate the following:


2a^3b +a^2b +a^b

Answer 1

2x^3 + x^2 + x

Explanation:

For ...

`a^(b)=x`

The expression ...

`2a^(3b)+a^(2b)+a^(b)`

can be rewritten as ...

`2(a^(b))^3+(a^b)^2+(a^b)=2x^3+x^2+x`