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The domain of (10^(x) +10^(-x))/(10^(x)-...

The domain of `(10^(x) +10^(-x))/(10^(x)-10^(-x))` is:

A

R

B

`R-{0}`

C

R-{1}

D

`R^(+)`

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The correct Answer is:
B
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AAKASH SERIES-FUNCTIONS -EXERCISE -I
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