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(p ^^ ~q) ^^ (~p vv q) is...

`(p ^^ ~q) ^^ (~p vv q)` is

A

a contradiction

B

a tautology

C

Either (a) or (b)

D

Neigher (a) nor (b)

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The correct Answer is:
A
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 3-MCQS
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  3. if y=logx*e^((tanx+x^(2))), then (dy)/(dx) is equal to

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  4. If y=(log)(sinx)(tanx) , then (((dy)/(dx)))(pi//4) is equal to.......

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  8. The angle between the pair of straight lines formed by joining the poi...

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  9. If a,b,c are vectors such that a*b=0 and a+b=c

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  13. Solution of the differential equation (dy)/(dx)=(y(x-y ln y))/(x(xlnx-...

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  14. IF the mean and S.D. of binomial distribution are 20 and 4 respectivel...

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  16. Let A=[(1,2),(-1,3)] .If A^6=kA-205I then then numerical quantity of...

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  18. int (cos2theta) . log((costheta+sintheta)/(costheta-sintheta...

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