MCQ
Multiplicative inverse of $\left(2^{-2}+3^{-2}+4^{-2}\right)^{-1}$ is
- ✓$\frac{61}{144}$
- B$\frac{144}{61}$
- C$\frac{-61}{144}$
- D$-\frac{144}{61}$
✓
Answer
Correct option: A.
$\frac{61}{144}$
A
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