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If the pair of lines given by (x^(2)+y^(...

If the pair of lines given by `(x^(2)+y^(2))cos^(2) theta=(x cos theta+ y sin theta)^(2)` are perpendicular to each other, then `theta=`

A

0

B

`pi/4`

C

`pi/3`

D

`(3pi)/4`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PAIR OF STRAIGHT LINES-PRACTICE SHEET (EXERCISE-1 Homogeneous pair of line) (LEVEL-I Straight Objective Type Questions)
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  14. The circumcentre of a triangle formed by the line x^2-y^2=0 and y-5=0...

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  17. Area of quadrilateral formed by two pair of lines a^(2)x^(2)-b^(2)y^(2...

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