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The interval in which the function f giv...

The interval in which the function `f` given by `f(x) = x^2 e^(-x)` is strictly increasing is
(a) `( -oo , oo )`
(b) `( -oo , 0 )`
(c) `( 2 , oo )`
(d) `( 0 , 2 )`

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII Boards-All Questions
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  2. Find the value of k, so that the function f(x) = {(kx^2 + 5, if x le 1...

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

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

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

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

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

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

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

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

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  13. Show that the plane x-5y-2z =1 contains the line (x-5)/3 = y = 2- z

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  14. If x, y, z are different and Delta=|[x, x^2, 1+x^3],[y, y^2, 1+y^3],[...

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  15. If | (2x, -9), (-2, x) | = |(-4,8) , (1, -2)|, then value of x is

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  16. If A is a non- singular square matrix of the order 3xx3 such that A^2=...

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  17. If P(1,0,-3) is the foot of the perpendicular from the origin to the p...

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  18. If A = [ (-3 , 2) , (1, -1)] and I = [(1,0) , (0, 1)], find the scalar...

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  19. Evaluate: int0^(pi/2) (sin2x tan^(-1)(sinx))dx

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  20. Solve the following differential equation: (1+ e ^(y/x)) dy + e^(y...

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