If (4.2)^(x) = (0.42)^(y) = 100, then (1...

If `(4.2)^(x) = (0.42)^(y) = 100,` then `(1)/(x) -(1)/(y)=`

A

1

B

2

C

`(1)/(2)`

D

`-1`

Verified by Experts

The correct Answer is:

C

If (4.2)^(x) = (0.42)^(y) = 100, then (1)/(x) -(1)/(y)=
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If (4.2)^(x) = (0.42)^(y) = 100, " then "(1)/(x) -(1)/(y)=
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