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If the slope of one of the line represen...

If the slope of one of the line represented by `2x^(2)+3xy+Ky^(2)=0` is 2 then angle between pair of lines is

A

`(pi)/(2)`

B

`(pi)/(3)`

C

`(pi)/(6)`

D

`(pi)/(4)`

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The correct Answer is:
A
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AAKASH SERIES-PAIR OF STRAIGHT LINES-EXERCISE -I
  1. Angle between the lines x^(2)[cos^(2) theta-1]-xy sin^(2) theta+y^(2) ...

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  2. The angle between the pair of lines y^(2)-xy"cosec" theta-x^(2)=0,0 le...

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  3. If the slope of one of the line represented by 2x^(2)+3xy+Ky^(2)=0 is...

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  4. If the pair of lines given by (x^(2)+y^(2))cos^(2) theta=(x cos theta+...

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  5. If the pair of lines a^(2)(x^(2)+y^(2))=(ax-by)^(2) are perpendicular...

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  6. If theta is the acute between the pair of lines x^(2)+3xy-4y^(2)=0 the...

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  7. If the equation of pair of bisectors of the angle between the pair of ...

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  8. If 2x + y - 4= 0 is a bisector of angles between the lines a(x-1) + b(...

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  9. The bisector of acute angle between the straight lines 4x+3y-6=0 and 5...

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  10. The equation of the bisector of the obtuse angle between the lines x -...

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  11. The equation of pair of angular bisectors of (a-b)x^(2)+4hxy-(a-b)y^(2...

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

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

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

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

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

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

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

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

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