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If theta is angle between pair of lines ...

If `theta` is angle between pair of lines `x^(2)-3xy+lambday^(2)+3x-5y+2=0` then `"cosec"^(2) theta`

A

10

B

20

C

5

D

15

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A
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AAKASH SERIES-PAIR OF STRAIGHT LINES-EXERCISE -II
  1. If the equation x^(2)+py^(2)+y=a^(2) represents a pair of perpendicula...

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  2. Assertion (A) , The lines representant by 3x^(2)+10xy+3y^(2)-16x-16y+1...

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  3. If theta is angle between pair of lines x^(2)-3xy+lambday^(2)+3x-5y+2=...

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  4. If theta is angle between pair of lines x^(2)-5xy+py^(2)+3x-8y+2=0 the...

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  5. The equation ax^(2)+2hxy+by^(2)+2gx+2fy+c=0 represents a pair of strai...

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  6. If the pair of lines ax^(2)+2hyx+by^(2)+2gx+2fy+c=0 intersect on the x...

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  7. If the pair of lines ax^(2)+2hyx+by^(2)+2gx+2fy+c=0 intersect on the x...

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  8. p(1),p(2),p(3) be the product of perpendicular from (0,0) to xy+x+y+1=...

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  9. Distance between the parallel line (x+2y)^2+13sqrt5(x+2y)+180=0 is

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  10. Distance between the parallel lines 16x^(2)+24xy+ ly^(2)+kx-12y-21=0 r...

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  11. The equation ax^(2)+2hyx+by^(2)+2gx+2ry+c=0 represents a pair of paral...

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  12. If ax^(2)+2hxy+by^(2)+2gx+2fy+c=0 represents a pair of parallel lines...

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  13. The equation ax^(2)-24xy+16y^(2)+2gx+16y+c=0 represents a pair of para...

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  14. Let P(1),p(2),p(3) be the perpendicular distance between pair of paral...

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  15. The figure formed by the pairs of lines 2x^(2)+3xy-2y^(2)=0 and 2x^(2)...

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  16. The figure formed by the pairs of lines 3x^(2)+10xy+3y^(2)=0 and 3x^(2...

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  17. If fg = ch, the lines represented by hxy+ gx+ fy + c = 0 form a quadri...

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  18. The lines (y-mx)^(2)=a^(2)(1+m^(2)) and (y-nx)^(2)=a^(2)(1+n^(2)) form...

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  19. Quadrilateral formed by xy + x + y + 1=0 and xy + 3x + 3y + 9 =0 is qu...

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  20. The figure formed by the two pairs of lines x^(2)-3x + 2 = 0, y^(2) + ...

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