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What is the angle between the straight l...

What is the angle between the straight lines `(m^(2) - mn) y = (mn + n^(2)) x + n^(3)` and `(mn + m^(2)) y = (mn - n^(2)) x + m^(3)` , where `m gt n` ?

A

`tan^(-1) ((2mn)/(m^(2) + n^(2)))`

B

`tan^(-1) ((4m^(2) n^(2))/(m^(4) - n^(4)))`

C

`tan^(-1) ((4m^(2) n^(2))/(m^(4) + n^(4)))`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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