Question

$(4 {}^{ - 1} + 3 {}^{ - 1} + 6 {}^{ - 2} ) {}^{ - 1}$
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Answer 1

$(4 {}^{ - 1} + 3 {}^{ - 1} + 6 {}^{ - 2} ) {}^{ - 1} \\ ( \frac{1}{4} + \frac{1}{3} + \frac{2}{6} ) ^{ - 1} \\ (4 + 3 + \frac{6}{2} ) \\ 4 + 3 + 2 \\ = 9$

Answer 2

(4-¹+3-¹6-²)-¹

=(4+3+6²){powers multiplied}

=4+3+36

=43

Jai Shree Ram