Question

Q. If a = - 2 and b = -1 then value of
а^-b - a^-1​

Answer 1

Step-by-step explanation:

(-2)^-1+(-2)^-1

-1/2+(-1/2)

-1

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Answer 2

Step-by-step explanation:

(-2)^-1+(-2)^-1

-1/2+(-1/2)

-1

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