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If the line given by ax^(2)+2hxy+by^(2)=...

If the line given by `ax^(2)+2hxy+by^(2)=0` are equally inclined to the co-ordinate axes, then

A

`h=0`

B

`a+b=0`

C

`h^(2)-ab=0`

D

`h=a`

Text Solution

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The correct Answer is:
A
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NIKITA PUBLICATION-PAIR OF STRAIGHT LINES-MULTIPLE CHOICE QUESTIONS
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  2. If two lines ax^(2)+2hxy+by^(2)=0 make equal angles with a co-ordinate...

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  3. If the line given by ax^(2)+2hxy+by^(2)=0 are equally inclined to the ...

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  4. If one of the lines of ax^(2)+2hxy+by^(2)=0 bisects the angle between ...

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  5. If one of the lines given by kx^(2)+xy-y^(2)=0 bisects the angle betwe...

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  6. If one of the lines given by kx^(2)+2hxy+by^(2)=0 bisects the angle be...

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  7. If one of the lines given by kx^(2)+2hxy+by^(2)=0 bisects the angle be...

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  8. If the pair of lines x^(2)+2xy+ay^(2)=0 and ax^(2)+2xy+y^(2)=0 have ex...

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  9. If the pair of lines x^(2)+2xy+ay^(2)=0 and ax^(2)+2xy+y^(2)=0 have ex...

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  10. If the pair of lines 3x^(2)-5xy+ky^(2)=0 and 6x^(2)-xy-5y^(2)=0 have o...

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  11. If the pairs of lines x^2+2x y+a y^2=0 and a x^2+2x y+y^2=0 have exact...

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  12. The angle between the lines xy=0 is

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  13. Find the angle between the lines represented by 3x^2 + 4xy-3y^2 = 0

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  14. The acute angle theta between the lines represented by x^(2)-4xy+y^(2)...

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  15. The acute angle theta between the lines represented by 3x^(2)-4sqrt(3)...

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  16. The acute angle theta between the lines represented by 2x^(2)+7xy+3y^(...

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  17. Find the measure of the acute angle between the lines represented by (...

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  18. The acute angle theta between the lines given by 3y^(2)=x(7y-2x) is

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  19. The acute angle theta between the lines represented by 3x^(2)+2xy-y^(2...

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  20. The acute angle theta between the lines represented by 2x^(2)-6xy+y^(2...

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