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The range of 'a' so that a^2x^2+2xy+4y^2...

The range of 'a' so that `a^2x^2+2xy+4y^2=0` represents distinct lines

A

`agt1/2 or alt(-1)/2`

B

`(-1)/2leale1/2`

C

`(-1)/2ltalt1/2`

D

`age1/2 or ale(-1)/2`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-PAIR OF STRAIGHT LINES-LECTURE SHEET (EXERCISE-I Homogeneous pair of lines) (Straight Objective Type Questions)
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  3. The locus represented by the equation (x-y+c)^2+(x+y-c)^2=0 is

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  5. The difference of the slopes of the lines represented by x^2(tan^2thet...

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  10. If one the lines in the pair of stright lines given by 4x^2+6xy+ky^2=0...

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  11. The equation of the pair of lines through (1,-1) and perpendicular to ...

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  12. The condition that one of the straight lines given by the equation ax^...

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  13. If the pair of lines x^2+2xy+ay^2=0 and ax^2+2xy+y^2=0 have exactly on...

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  14. The equations x-y=4 and x^2+4xy+y^2=0 represent the sides of

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  15. The triangle formed by the pair of line 3x^2+48xy+23y^2=0 and the line...

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

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  17. If 2x^(2)-3xy+y^(2)=0 represents two sides of a triangle and lx + my ...

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  18. 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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  19. If the pairs of lines 3x^2-2pxy-3y^2=0 and 5x^2-2qxy-5y^2=0 are such t...

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  20. The lines 36x^(2)-33xy-20y^(2)=0 are equally inclined to the line

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