Question

Problem A

Find the roots of the function f (x) = (2^x − 1) · (x² + 2x − 3) with x ∈ R.

Answer 1

As $f(x)=0$ if $2^x-1=0$ and $x^2+2x-3=0$ hence $x=0,x=1,x=-3$ are the roots of the function $f(x)$ .