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Find the sum to n terms of the series , ...

Find the sum to n terms of the series , 5+11+19+29+41…

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OSWAAL PUBLICATION-SAMPLE PAPER 2-EXERCISE
  1. A and B are events such that P(A) =0.42,P(B) =0.48 and P(A and B) =0.1...

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  2. A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and ...

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  3. A and B are events such that P(A) =0.42,P(B) =0.48 and P(A and B) =0.1...

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  4. A committee of two persons is selected from two men and two women.What...

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  5. A committee of two persons is selected from two men and two women.What...

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  6. Define an identity function . Draw the graph of identify function and ...

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  7. (cos 4x+cos3x+cos2x)/(sin 4x+sin3x+sin2x)=cot3x

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  8. 1/1.2+1/2.3+1/3.4+…………….+1/(n(n+1))=n/(n+1) forall n in N.

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  9. Solve the inequalities :2x+3yle12,xge2,yge2 graphically.

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  10. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

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  11. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

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  12. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

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  13. Show that the middle term in the expansion of (1+x)^(2n) is 1.3.5…(2n...

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  14. Derive the equation of a straight line passing through the point(x0,y0...

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  15. Prove that underset(xrarr0)lim(sinx/x=1) ?

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  16. Find the mean deviation about the mean for the following data:

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  17. Prove that geometrically that cos (x+y)= cosx.cosy-sinx.siny and hence...

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  18. Find the sum to n terms of the series , 5+11+19+29+41…

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  19. Define hyperbola as a set of points derive its equation in the form (...

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  20. Find the derivative of (x + cos x)/(tan x) with respect to x

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