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The number os integral values of m for w...

The number os integral values of m for which the x - coordinates of the point of intersection of the lines `3x+4y=9 and y = mx +1` is also an integar is

A

2

B

0

C

4

D

1

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MODERN PUBLICATION-CONIC SECTIONS-EXERCISE
  1. On the ellipse 4x^2+9y^2=1, the points at which tangents are parallel ...

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  2. The equation of the common tangent touching the circle (x-3)^2 +y^2=9 ...

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  3. The number os integral values of m for which the x - coordinates of th...

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  4. The equation of the directrix of the parabola : y^2+ 4y + 4x+2=0 is:

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  5. Let AB be a chord of the circle x^2+ y^2 = r^2 subtending a right angl...

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  6. Let PQ and RS be tangents at the extremities of the diameter PR or a c...

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  7. The area of the parallelogram formed by the lines y=m x ,y=x m+1,y=n x...

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  8. If agt2abgt0, then the positive value of m for which y=mx-bsqrt((1+m^(...

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  9. The locus of the mid-point of the line segment joining the focus to a ...

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  10. The area bounded by the curves : y=|x-1| and y=1 is :

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  11. The equation of the common tangent to the curves , y^2=8x and xy=-1 is...

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  12. If the tangent at the point P on the circle x^2+y^2+6x + 6y = 2 meets ...

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  13. A straight line through the origin O meets the parallel lines 4x + 2y ...

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  14. Let P=(-1,0) ,Q =(0,0) and R (3,3sqrt(3)) be three point . The equatio...

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  15. Let 0ltalphalt(pi)/(2) be a fixed angle. If P=(costheta,sintheta)andQ=...

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  16. A triangle with vertices (2, 0), (- 1,- 1),(1,0) is :

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  17. The straight lines 2x+11y - 5 = 0 , 24 x + 7y - 20 = 0 and 4x - 3y - ...

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  18. A straight line through the point (2, 2) intersects the lines sqrt3x +...

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  19. Find the incentre of the triangle with vertices A(1,sqrt3), B(0,0) and...

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  20. The equation of the tangent to the circle x^2 + y^2+4x- 4y + 4 =0, whi...

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