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If the lines ax^(2) + 2hxy + by^(2)= 0 a...

If the lines `ax^(2) + 2hxy + by^(2)= 0` are equally inclined with the coordinate axes then

A

`h^(2)=ab`

B

`h=0, ab gt 0`

C

`h=0 ab lt 0`

D

`h ne 0 ab lt 0`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PAIR OF STRAIGHT LINES-EXERCISE -II
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  9. The pair of lines a^(2)x^(2)+2h(a+b)xy+b^(2)y^(2)=0 and ax^(2)+2hxy+by...

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  11. Assertion (A) : 3x^(2)+4xy+y^(2)=0 and 7x^(2)+12xy+y^(2)=0 are equally...

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  12. If the pair of lines ax^(2)+2hxy+by^(2)=0 (h^(2) gt ab) orms an equila...

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  13. The triangle formed by the pair of lines x^(2)+16x-y^(2)=0 and x-2y+13...

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  14. Area of triangle formed by pair of lines (x+2a)^2-3y^2=0 and x=a is

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  15. The triangle formed by the pair of lines x^(2)-4y^(2)=0 and x-a=0 is a...

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  16. The triangle formed by 2x+3y+7=0 and the pair (2x+3y)^(2)-3(3x-2y)^(2)...

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  17. The area of the triangle formed by two rays whose combined equation is...

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  18. The area of triangle formed by x+y+1 = 0 and x^(2)-3xy+2y^(2)=0 is

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  19. If a + b = 2h , then the area of the triangle formed by the lines ax^(...

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  20. Area of triangle formed by pair of lines (x+2a)^2-3y^2=0 and x=a is

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