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If tan alpha, tan beta, tan lambda are t...

If `tan alpha, tan beta, tan lambda` are the roots of the equation `x^(3) - px^(2) - r = 0` then the value of `(1+tan^(2) alpha) (1+tan^(2) beta)(1+tan^(2)lambda)` =

A

`1+(p-r)^(2)`

B

`2+(p-r)^(2)`

C

`3+(p+r)^(2)`

D

`1-(p-r)^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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