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Prove that int 2x dx =x^2+c...

Prove that `int 2x dx =x^2+c`

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JMD PUBLICATION-PSEB SAMPLE QUESTIONS-EXAMPLE
  1. If 'y=10x' then 'dy/dx= 0'.

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  2. If 'y=tan x' then 'dy/dx=sec^2x'.

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  3. Prove that int 2x dx =x^2+c

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  4. State true or false : Scalar product pf two perpendicular vectors is z...

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  5. Point (3,-4,2) lies in the plane 2x+y-z=0

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  6. If P (E) = 0.05 than find the value of P (Not E) ?

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  7. If '[[2,3],[1,4]]' and 'f(x)=x^2+2x+3' then fond 'f(A)'.

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  8. Find the interval in which function 'f(x)=x^2+2x-7' is increasing.

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  9. Find the slope of the normal to the curve y=x^3-x+1 at the point whose...

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  10. Evaluate int e^x (logx+1/x)dx.

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  11. Evaluate 'int x sin x dx'

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  12. Using integration find the area bounded by the parabola 'y^2=4x' strai...

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  13. Find the unit vector in the direction of diagonal of the parallelogram...

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  14. find the value of 2tan^(-1)(1/sqrt3) + Cos^(-1)(1/sqrt2)+2sec^(-1)(2/s...

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  15. lf y = x^(sin x) + (sin x)^x then find dy/dx.

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  16. If y=[tan^-1 x]^2, then prove that : (x^2 + 1)^2 y2+2x(x^2+1) y1 = 2.

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  17. Evaluate int sec^2x/(tan^2x-4tanx+7) dx.

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  18. find the general solution of the differential equation {x^2dy-(x^2+xy+...

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  19. find the general solution of the differential equation sec^2xtanydx-se...

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  20. Bag I contains 3 red and 4 white balls. Bag II contents 7 red and 5 wh...

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