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The false statement in the following is...

The false statement in the following is

A

`p^^(~p)` is a contradiction

B

`(ptoq)harr(~pto ~p)` is a contradiction

C

`~(~p)harrp` is a tautology

D

`pvv(~p)` is a tautology

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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2002-MATHEMATICS (MCQ.s)
  1. The value of intx^(3)logxdx is:

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  2. The value of int(0)^(pi)(dx)/(5+3cosx) is

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  3. The false statement in the following is

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  4. If the vectors 3hati+hatj-2hatk,hati+2hatj-3hatk,3hati+lamdahatj+5hatk...

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  5. Equations of the tangent and the normal drawn at the point (6,0) on th...

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  6. The equation to the parabola whose focus is (1,-1) and the directrix i...

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  7. If omega=-(1)/(2)+i (sqrt(3))/(2), the value of [[1, omega, omega^(2)...

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  8. Two intersecting circles have their radii 1 and sqrt(3) meters. The di...

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  9. The height of the cylinder of maximum volume inscribed in a sphere of ...

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  10. For all positive values of x and y, the value of ((1+x+x^(2))(1+y+y^(2...

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  11. How many nine digit numbers can be formed using the digit 2,2,3,3,5,58...

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  12. There are n points in a plane of which p points are collinear. How man...

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  13. If f (x) = |{:( sin x , cos x , tan x) , (x^(3) , x^(2) , x) , (2x , 1...

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  14. The value of int(0)^(pi//2) logtanxdx is

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  15. The value of int(-1//2)^(1//2)(cosx)[log((1-x)/(1+x))]dx is

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  16. The area of the figure bounded by the curves y=cosx and y=sinx and the...

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  17. If z(2-i)=3+I,z^(20)=

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  18. Let f(x) = {((sin pix)/(5x), x ne 0),(k, x =0):} If f(x) is continuous...

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  19. In the set of integers Z, which of the following relation R is not an ...

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  20. For how many values of x in the closed interval [-4,-1] the matrix [[3...

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