Question

If $x=3$ and $y=-2$, the value of $x^x+y^y$ ?

• A. $27$
• B. $9$
• C. $8$
• D. none of the above

Answer 1

The correct option is D none of the above

Given, $x=3$ and $y=-2$
$x^x+y^y$
$=3^3+(-2{)}^{-2}$
$=27+\frac{1}{4}$

$=\frac{108+1}{4}$

$=\frac{109}{4}$

$=27\frac{1}{4}$