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If y=(sin^2x)/(1+cos^2x) then find the v...

If `y=(sin^2x)/(1+cos^2x)` then find the value of `(dy)/(dx)`.

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JBD PUBLICATION-MODEL PAPER (14)-EXERCISE
  1. In a group of 400 people, 250 can speak Hindi and 200 can speak Englis...

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  2. Find the domain and range of the following functions: f(x)=sqrt(16-x^2...

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  3. Solve: sin3x+cos2x=0

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  4. In how many ways can 5 boys and 3 girls sit in a row so that no two gi...

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  5. A bag contains 5 black and 6 red balls. Determine the number of ways i...

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  6. How many terms of the series 24+21+18+………..may be taken so that the su...

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  7. Find three numbers in G.P whose product is 512 and sum is 28.

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  8. Find the equation of the right bisector of the line segment joining th...

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  9. Find the equation of the parabola which is symmetric about y-axis and ...

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  10. If y=(sin^2x)/(1+cos^2x) then find the value of (dy)/(dx).

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  11. Evaluate: underset(xrarr0)lim (cos2x-1)/(cosx-1)

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  12. To dice are rolled simultaneously. Find the probability that: the sum ...

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  13. To dice are rolled simultaneously. Find the probability that: It is no...

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  14. Evaluate 2x^4 +5x^3+7x^2-x+41 when x = - 2 -sqrt3 i.

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  15. Write the complex number Z=sqrt3+i in polar form and hence find the mo...

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  16. Solve the following inequality: -3le4-(7x)/2le18.

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  17. Find the pairs of consecutive even positive integers which are larger ...

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  18. Find the derivative secx w.r.t x

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  19. Evaluate: underset(xrarr1)lim (x^15 -1)/(x^10 - 1)

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  20. Find the mean deviation about the mean of the following data:

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