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Find the equation of the normal to the c...

Find the equation of the normal to the curve
`5x^2+3y^2=23` at (2,-1)

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SHARAM PUBLICATION-MODEL QUESTION PAPER 12-EXERCISE
  1. If y^2cot x = x^2 coty then find (dy)/(dx)

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  2. Find the intervals where function is increasing function y = cos x + s...

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  3. Find the equation of the normal to the curve 5x^2+3y^2=23 at (2,-1)

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  4. Integrate int sec xtanx.sqrt(tan^2x-3).dx

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  5. int(xe^x)/(1+x^2)dx

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  6. Evaluate int0^1[tan^-1x+x/(1+x^2)]dx

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  7. Find the area of region enclosed by y^2 = 4ax and x^2 = 4ay.

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  8. Find the particular solution of the following differential equation : ...

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  9. If the sum of two unit vectors is a unit vectors find the magnitude of...

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  10. If hati +hatj+hatk and 2hati -alphahatj+3hatk are orthogonal to each o...

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  11. Find the equation of the line through the point (2, 3, 5) and parallel...

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  12. Prove that the lines (x+4)/3=(y+6)/5=(z-1)/(-2) and 3x-2y+z+5=0=2x+3y...

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  13. Solve : tan^(-1)x+tan^(-1)((2x)/(1-x^2))=pi/2

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  14. If y=x^(sinx-cosx)+(x^(2)-1)/(x^(2)+1), then find (dy)/(dx)

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  15. Find the equation of the tangent to the curve y=x^4-6x^3+13x^2-10x+2 a...

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  16. Find intx^2(sin^4x+cos^4x)dx

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  17. Find the area enclosed by y=4x-1 and y^(2)=2x.

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  18. Find the solution of the following differential equations: x dy-ydx=sq...

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  19. For veca = hati+hatj, vecb = -hati+2hatk, vecc = hatj+hatk, obtain vec...

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  20. Prove that the measure of the angle between two main diagonals of a cu...

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