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

If the pair of lines `a^(2)(x^(2)+y^(2))=(ax-by)^(2)` are perpendicular to each other, then

A

`a=b`

B

`a=-b`

C

`a=+-b`

D

`a=2b`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-PAIR OF STRAIGHT LINES-EXERCISE -I
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  8. The equation of the bisector of the obtuse angle between the lines x -...

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  10. If one angular bisector of a(x+1)^(2)+2h(x+1)(y-3)+b(y-3)^(2)=0 is 2x-...

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  11. Equation of pair of lines through (0,0) and forming an equilateral tri...

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  12. Equation of pair of lines passing through origin and making an angle T...

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  13. Area of the triangle formed by the lines 3x^(2)-4xy+y^(2)=0, 2x-y=6 is

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  14. The area of the triangle formed by the lines x^(2)-9xy+18y^(2)=0 and t...

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  15. Area of the triangle formed by the lines y^(2)-mxy=0 and x+y-m=0 is

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  16. Area of the triangle formed by the lines x^(2)-3xy+y^(2)=0 and x+y+1=0

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  17. If the area of the triangle formed by the pair of lines 8x^(2)-6xy+y^(...

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  18. The area of the equilateral triangle formed by the lines x^(2)-3y^(2) ...

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  19. The area of the equilaterial triangle formed by the pair of lines (ax+...

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