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Find (d^2y)/(dx^2) if x=a costheta,y=bsi...

Find `(d^2y)/(dx^2)` if x=a `costheta,y=bsintheta`.

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SHARAM PUBLICATION-QUESTION PAPER 2019-EXERCISE
  1. Find the intervals in which the function y=(lnx)/(x) is increasing and...

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  2. If y=e^(x^(e^(x^(e^x)))), then find dy/dx.

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  3. Find (d^2y)/(dx^2) if x=a costheta,y=bsintheta.

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  4. Verify lagrange's Mean-Value theorem for F(x) = x^3 - 2x^2 - x + 3 o...

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  5. Find differential equation of the curve y=ae^(3x)+be^(5x).

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  6. Obtain the general solution of the following differential equations. (...

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  7. Evaluate : int0^(pi//2)(cosxdx)/((2-sinx)(3+sinx))

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  8. Find the area of the region bounded by the curve y=6x-x^2 and the x-ax...

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  9. If l1,m1,n1andl2,m2,n2 are the direction cosines of two mutually perpe...

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  10. Find the point where the line (x-2)/1=y/(-1)=(z-1)/2 meets the plane 2...

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  11. Find a unit vector perpendicular to both of the vectors veca + vecb an...

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  12. Show that (vecaxxvecb)^2 = a^2b^2 - (veca.vecb)^2.

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  13. Find the vector equation of a plane which is at a distance of 3 units ...

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  14. If e^(y//x)=(x)/(a+bx) then show that x^(3)(d)/(dx)((dy)/(dx))=(x(dy)/...

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  15. Show that the shrtest distance of the point (0, 8a) from the curve ax^...

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  16. Determine the area common to the parabola y^2=x and the circle x^2+y^2...

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  17. Solve y^(2)+x^(2)dy/dx=xydy/dx.

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  18. Evaluate the following integrals int(dx)/(2cos^2x+3cosx)

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  19. Show by vector method that the four points (6, 2, -1), (2, -1, 3), (-1...

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  20. Find the distance of the point (1,-1,-10) from the line (x-4)/1=(y+3)/...

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