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If theta is an angle by which axes are r...

If `theta` is an angle by which axes are rotated about origin and equation `ax^2+2hxy+by^2=0`
does not contain xy term in the new system, then prove that `tan2theta=(2h)/(a-b)`.

A

`((a-b))/(2h)`

B

`(2h)/((a+b))`

C

`((a+b))/(2h)`

D

`(2h)/((a-b))`

Text Solution

Verified by Experts

The correct Answer is:
A
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