Question

please answer this question.............​

Answer 1

Answer:

-1

Step-by-step explanation:

When anything  is raised to the power of -1, it basically results in the multiplicative inverse.

So here,

$( \frac{1}{3}^{-1} - \frac{1}{4}^{-1})^{-1}\\\\=(3-4)^{-1}\\\\=1^{-1}\\=\frac{1}{-1} \\\\=-1$

Answer 2

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