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Verify by the method of contradiction th...

Verify by the method of contradiction that `sqrt 5` is irrational.

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OSWAAL PUBLICATION-SAMPLE PAPER 7-EXERCISE
  1. In a survey of 60 people, it was found that 25 people read newspaper H...

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  2. In a survey of 60 people, it was found that 25 people read newspaper H...

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  3. Verify by the method of contradiction that sqrt 5 is irrational.

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  4. Let R be a relation on the set Z of all integers defined by:(x,y) in R...

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  5. Let R be a relation on the set Z of all integers defined by:(x,y) in R...

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  6. Find the derivative of f(x)=(2x+3)/(x-2) from the first principle.

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  7. Let z(1) =2-I, z(2) =-2 + i, Find (i) (Re(z(1)z(2))/barz(1)), (ii) I...

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  8. Let z(1) =2-I, z(2) =-2 + i, Find (i) (Re(z(1)z(2))/barz(1)), (ii) I...

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  9. Find the value of n such that ""^(n)P(5)=42""^(n)P(3), n gt 4

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  10. If the sum of n terms of an A . P is 3n^(2)+5n and its m^(th) term is ...

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  11. For any real number of x and y,cos x = cos y,prove that x=2npi+-y whe...

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  12. Find the equation of the hyperbola where foci are (0,+-12) and the len...

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  13. Find the Middle terms in (2x^(2)-(1)/(sqrt(x)))^(11)

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  14. In a lottery 10,000 tickets are sold and ten equal prizes are awarded....

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  15. In a lottery 10,000 tickets are sold and ten equal prizes are awarded....

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  16. In a lottery 10,000 tickets are sold and ten equal prizes are awarded....

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  17. Define constant function.Draw the graph of constant function.Write the...

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  18. Prove that cos 20^@ cos 40^@ cos 60^@ cos 80^@=1/16.

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  19. Solve graphically x+2y le 10, x+y ge 1, x-y le 0, y le 0

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  20. Prove thatunderset(thetararr0)lim(Sintheta)/theta =1 , (theta being in...

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