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Prove that: int0^(pi/4)(sqrt(tanx)+sqrt(...

Prove that: `int_0^(pi/4)(sqrt(tanx)+sqrt(cotx))\ dx=sqrt(2)pi/2`

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. A merchant plans to sell two types of personal computers - a deskto...

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  2. Given three identical boxes I, II and III each containing two coins...

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  3. Prove that: int0^(pi/4)(sqrt(tanx)+sqrt(cotx))\ dx=sqrt(2)pi/2

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  4. Find the shortest distance between the following pairs of line whose ...

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  5. Using vectors, find the area of the triangle with vertices A (1, 1,...

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  6. Using matrices, solve the following system of equations: 4x+3y+2z=60...

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  7. A random variable X has the following probability distribution: ...

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  8. A window has the shape of a rectangle surmounted by an equilateral ...

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  9. Find the distance of the point (-1,\ -5,\ -10) , from the point of int...

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  10. Show that the right-circular cone of least curved surface and given...

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  11. How many times must a man toss a fair coin, so that the probability...

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  12. Using elementary transformations, find the inverse of the matrix [[-1,...

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  13. Find the equation of the tangent to the curve y=sqrt(3x-2) which is...

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  14. Find the intervals in which the function f given by f(x)=\ x^3+1/(...

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  15. Prove that sin^(-1)(63/65)=sin^(-1)(5/13)+cos^(-1)(3/5)

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  16. Evaluate: int0^(2pi)1/(1+e^(s in x))dx

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  17. Solve for x : 2tan^(-1)(sinx)=tan^(-1)(2secx),\ x!=pi/2

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  18. Prove the following: cot^(-1)[(sqrt(1+sinx )+sqrt(1-sinx))/(sqrt(1+sin...

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  19. Find the value of tan^(-1)(x/y)-tan^(-1)((x-y)/(x+y))

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  20. Using properties of determinants, prove the following |[x,x+y,x+2y],[x...

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