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The statement (p rArr q) iff (~p ^^ q) i...

The statement `(p rArr q) iff (~p ^^ q)` is a

A

tautology

B

contradiction

C

Neither (a) nor (b)

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C

It is neither tautology nor contradiction.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 14-Paper 2 (Mathematics)
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  2. If y=f(x)" and "ycosx+cosy=pi, then the value of f''(0) is

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  4. In order that the function f(x)=(x+1)^(cotx) is continuous at x = 0, f...

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  5. If log(x)ax,log(x)bx" and "log(x)cx are in AP, where a, b, c and x, be...

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  6. The angle between the straight lines x -y sqrt3=5 and sqrt3x +y =7 is

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  7. If S is a set with 10 elements and A={(x,y):x,y in S, x ne y}, then th...

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  8. Let r be relation from R (set of real numbers) to R defined by r={(a,b...

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  9. Let f(x)=inte^x(x-1)(x-2)dxdot Then f decreases in the interval (-oo,...

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  10. The number of critical points of f(x)=|x|(x-1)(x-2)(x-3) is

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  11. The shaded region for the inequality x+5yle6 is

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  12. For an LPP, minimise Z = 2x + y subject to constraint 5x+10y le 50 , x...

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  13. Let [x] denotes the greatest integer less than or equal to x. If f(x) ...

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  14. If f(0) = 0 and f(x) =(1)/((1-e^(-1//x))) " for " x ne 0. Then, only o...

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  15. int(0)^(10)|x(x-1)(x-2)|dx is equal to

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  16. Statement I int(pi/6)^(pi/3)1/(1+tan^3x) is pi/12 Statement II inta...

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  17. Function f(x)={x-1, x<2 and 2x-3, xgeq2 is a continuous function

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  18. Area of the region bounded by the curves y=2^(x),y=2x-x^(2),x=0" and "...

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  19. The equation of plane passing through a point A(2, -1, 3) and parallel...

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  20. Show that the disease of the point of intersection of the line (x-2)/3...

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