If the sum of the slopes of the lines re...

If the sum of the slopes of the lines represented by the equation
`x^(2)-2xy tan A-y^(2)=0` be 4 then `/_A=`

A

(a) `0^(@)`

B

(b) `45^(@)`

C

(c) `60^(@)`

D

(d) `tan^(-1)(-2)`

Verified by Experts

The correct Answer is:

D

NA

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