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For any two real numbers a and b, we def...

For any two real numbers a and b, we define a R b if and only if `sin^(2)a+cos^(2)b=1`. The relation R is

A

Reflexive but not Symmetric

B

Symmetric but not Transitive

C

Transitive but not Reflexive

D

an Equivalence relation

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2013-MULTIPLE CHOICE QUESTIONS
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  2. If alpha, beta are the roots of the quadratic equation ax^(2)+bx+c=0 a...

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  3. For any two real numbers a and b, we define a R b if and only if sin^(...

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  4. Let n be a positive even integer. The ratio of the largest coefficient...

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  5. Let exp (x) denote the exponential function e^(x). If f(x)=exp(x^((1)/...

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  6. The sum of the series (1)/(1xx2)""^(25)C(0)+(1)/(2xx3)""^(25)C(1)+(1)...

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  7. Five numbers are in A.P, with common difference ne 0. If the 1^(st), 3...

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  8. The minimum value of the function f(x)=2|x-1|+|x-2| is

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  9. If P, Q, R are angles of an isoseles triangle and angle P = (pi)/(2), ...

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  10. A line passing through the point of intersection of x+y=4 and x-y=2 ma...

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  11. Let [a] denote the greatest integer which is less than or equal to a. ...

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  12. If P=((2,-2,-4),(-1.3,4),(1,-2,-3)), then P^(5) equals.

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  13. If sin^(2)theta+3cos theta=2, then cos^(3)theta + sec^(3)theta is

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  14. Let x=1+(1)/(2xx|ul(1))+(1)/(4xx|ul(2))+(1)/(8xx|ul(3))+……. and y=...

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  15. The value of the infinite series (1^(2)+2^(2))/(|ul(3))+(1^(2)+2^(2)+3...

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  16. The value of the integral int((pi)/(6))^((pi)/(3))((sin x-x cos x))/(x...

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  17. Let f(x)=x((1)/(x-1)+(1)/(x)+(1)/(x+1)), x gt 1. Then

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  18. Let F(x)=int(0)^(x)(cos t)/((1+t^(2)))dt, 0 le x le 2 pi. Then

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  19. Find the area of the region bounded by the curve y = x^(2) and the lin...

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  20. Let P be a point on the parabola y^(2)=4ax with focus F. Let Q denote ...

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