Question

Find the value of 'x' from the given equation.
$(121{)}^{\frac{1}{2}}=\text{x}$

• A. 11

Answer 1

The correct option is A 11
Given

$\text{x}=(121{)}^{\frac{1}{2}}$

$=({11}^2{)}^{\frac{1}{2}}$

$=(11{)}^{2\times \frac{1}{2}}\because (a^m{)}^n=a^{mn}$

$=11$