A) \[\frac{3}{8}\]
B) \[\frac{-3}{8}\]
C) \[\frac{8}{3}\]
D) \[\frac{-8}{3}\]
Correct Answer: B
Solution :
\[{{\left\{ {{\left( \frac{3}{4} \right)}^{-1}}-{{\left( \frac{1}{4} \right)}^{-1}} \right\}}^{-1}}={{\left\{ \frac{4}{3}-4 \right\}}^{-1}}={{\left\{ \frac{-8}{3} \right\}}^{-1}}=\frac{-3}{8}\]You need to login to perform this action.
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