Question

# If ${2}^{-m}×\frac{1}{{2}^{m}}=\frac{1}{4},$ then $\frac{1}{14}\left\{\left({4}^{m}{\right)}^{1/2}+{\left(\frac{1}{{5}^{m}}\right)}^{-1}\right\}$ is equal to (a) $\frac{1}{2}$ (b) 2   (c) 4 (d) $-\frac{1}{4}$

Solution

## We have to find the value ofprovided Consider, Equating the power of exponents we get  By substituting we get  Hence the correct choice is . MathematicsRD Sharma (2017)Standard IX

Suggest Corrections

0

Similar questions
View More

Same exercise questions
View More

People also searched for
View More