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From a point (d, 0) three normals are dr...

From a point (d, 0) three normals are drawn to the parabola `y^(2)=x`, then

A

` 30 ^(@)`

B

` 45 ^(@)`

C

` 90 ^(@)`

D

` 60 ^(@)`

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The correct Answer is:
C
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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 6
  1. The locus of a point P ( alpha , beta ) moving under the condition t...

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  2. The curves y= sin x and y= cos x intersect infinitely many times g...

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  3. From a point (d, 0) three normals are drawn to the parabola y^(2)=x, t...

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  4. The condition that the line ax + by + c =0 is a tangent to the parab...

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  5. The normal to the curve x= a ( cos theta + theta sin theta ) , y= a( ...

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  6. If the tangent to the parabola y= x^(2) + 6 at the point (1, 7) also...

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  7. The parabolas y^(2)= 4x and x^(2) = 4y divide the square region boun...

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  8. The greatest value of the function f(x) = x^(2)"log" (1)/(x) is-

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  9. If f(x) = x^(3) - 6x^(2) + 9x +3 be a decreasing function, then x lie...

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  10. The minimum value of the function f(theta) = 6 cos theta + 8 sin theta...

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  11. The abscissa of the point on the parabola y^(2) = 2px which is neare...

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  12. The value of a for which the function (a+2)x^(3) - 3ax^(2) + 9ax -1 de...

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  13. A minimum value of the function f(x) = int(0)^(x) te^(-t^(2))dt is-

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  14. If f(x)= x^(3) + ax^(2) + bx + c is an increasing function for all re...

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  15. The area ( in square unit ) in the first quadrant bounded by the parab...

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  16. The slope of the tangent at (x, y) to a curve passing through (1, (pi...

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  17. The time rate of change of the radius of a sphere is (1)/(2 pi) . Whe...

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  18. The rate at which microbe multiply is proportional to the instantaneou...

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  19. A spherical iron ball of radius 10 cm is coated with layer of ice of u...

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  20. The length of a longest interval in which the function f(x)= 3 sin x -...

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