They are inverses right?

Algebra Level 2

True or False?

For all real numbers,

( 1 x ) − 1 = x \left( \frac{1}{x} \right) ^ { -1 } = x

True False

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Chung Kevin by Chung Kevin , 45, Australia

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1 solution

Dev Sharma
Sep 16, 2015

Counter Example. When x = 0.

12 Helpful 0 Interesting 0 Brilliant 0 Confused

0/1=enfinity 1/enfinity=0 Though we should actually be using a limit for x to be approaching to enfinity

Dipanker Kumar - 5 years, 8 months ago

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Is 0 is a real number

Aju Mathew - 5 years, 8 months ago

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Real numbers includes zero.

Dipanker Kumar - 5 years, 8 months ago

Yes, real numbers are numbers that are in the number line.

Ervin Cunanan - 5 years, 8 months ago

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