For any real number x ge 1, the express...

For any real number ` x ge 1`, the expression
`sec^(2) ( tan^(-1)x) - tan^(2) ( sec^(-1) x)` is equal to

A

1

B

2

C

`2x^(2)`

D

`2sqrt2`

Text Solution

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The correct Answer is:

B

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