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If the radius of the circle is increasing at the rate of 0.5 cm/s , then the rate of increase of its circumference is ......

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XII BOARDS PREVIOUS YEAR-XII Boards-All Questions
  1. The relation R in the set {1,2,3} given by R = {(1,2), (2,1),(1,1)} is...

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  2. the function f : R rarr [ -1,1 ] defined by f(x) = cos x is (a) bo...

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  3. If the radius of the circle is increasing at the rate of 0.5 cm/s , th...

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  4. If y = f(x^2) and f'(x) = e^(sqrtx), then find (dy)/(dx)

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  5. A card from a pack of 52 cards is lost. From the remaining cards of ...

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  6. Find the coordinates of the point where the line (x-1)/3 = (y+4)/7 = (...

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  7. the coordinates of the foot of the perpendicular drawn from the point ...

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  8. Using the method of integration find the area of the triangle ABC, co...

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  9. Find the value of k, so that the function f(x) = {(kx^2 + 5, if x le 1...

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  10. the interval in which the function f given by f(x) = x^2 e^(-x) is str...

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  11. Find: int((tan^(3)x)/(cos^(3)x)) dx

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  12. The angle between the vectors hat i -hat j and hat j - hat k is (A)...

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  13. a fair dice is thrown two times. find the probability distribution of ...

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  14. Find the angle between unit vector veca and vecb so that sqrt(3) veca ...

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  15. Find the area, lying above the x=axis and included between the circle ...

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  16. The range of the principal value branch of the function y= sec^(-1)x i...

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  17. The corner points of the feasible region of an LPP are (0,0), (0,8), (...

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  18. If A = [(5, -1, 4), (2, 3, 5), (5, -2, 6)] , find A^(-1) and use it t...

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  19. The distance between parallel planes 2x+y-2z-6=0 and 4x+2y-4z=0 isunit...

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  20. Find the principal value of: cos^(-1)(-1/2)

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