Question

please solve this with Explaination...​

Answer 1

Answer:

-1

Step-by-step explanation:

any expression raised to -1 is the reciprocal of it

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

then calculate the difference

$3 - 4 = - 1$

so there you have it the solution

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Answer 2

[(1/3)^-1 - (1/4)^-1]

= [(3)^1 - (4)^1]

= (3-4)

= -1

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