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By giving counter example, show that the...

By giving counter example, show that the following statement is false.
P : If n is an odd integer, then n is prime

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OSWAAL PUBLICATION-SAMPLE PAPER 4-EXERCISE
  1. Find the ratio in which the y-z plane divides the line segment formed ...

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  2. Compute the derivative of f(x) = sin^(2) x.

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  3. By giving counter example, show that the following statement is false....

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  4. The mean and variance of heights of XI students are 162.6 cm and 127.6...

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  5. A card is selected from a pack of 52 cards.Calculate the probability ...

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  6. A card is selected from a pack of 52 cards.Find the probability that t...

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  7. In a survey of 400 students in a school, 100 were listed as taking app...

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  8. Let f(x)=x^2" and "g(x)=2x+1 be two real values functions, find (f+g...

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  9. Let f(x)=x^2" and "g(x)=2x+1 be two real values functions, find (f-g...

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  10. Let f(x)=x^(2) and g(x)=2x+1 be two real functions. Find (f+g) (x), (f...

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  11. Find the genral solution of sec^(2) 2x=1 -tan 2x

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  12. Express (1+i)/(1-i) into polar form.

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  13. Solve:2x^2+sqrt 3x+1=0

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  14. Find r, if 5""^(4)P(r)=6""^(5)P(r-1)

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  15. Find the co-efficient of x^(5) in (x+3)^(8) ?

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  16. Insert five numbers between 8 and 26 such that the resulting sequence ...

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  17. The sum of first three terms of a G.P. is 13/12 and their product is –...

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  18. Find the equation of the parabola with vertex at the origin axis along...

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  19. Differentiate:x+1/x from first principle.

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  20. Verify by the method of contradiction that sqrt7 is irrational number

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