Question

The domain of definition of $f\left(x\right)=\frac{lo{g}_2(x-3)}{x^2+3x+2}$ is

• A. R–{–1, –2}
• B.
• C. R–{–1, –2, –3}
• D.

Answer 1

The correct option is D

For domain of $f\left(x\right)=\frac{lo{g}_2(x-3)}{x^2+3x+2}$
$x^2-3x+2\ne 0$ and $x-3$ >$0\Rightarrow x\ne 1,2andx$>$3$