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Check whether the relation R in the set ...

Check whether the relation `R` in the set `N` of natural numbers given by
`R = { (a,b) : a` is a divisor of `b }`
is reflexive, symmetric or transitive. Also determine whether `R` is an equivalence relation

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    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise Section D|2 Videos

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check whether the relation R in the set N of natural numbers given by R = { (a,b) : a is divisor of b } is reflexive, symmetric or transitive. Also determine whether R is an equivalence relation

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII Boards-All Questions
  1. Find the area of the triangle formed by O ,A ,B when vec O A= hat ...

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  2. Prove that tan^-1(1/4)+ tan^-1(2/9) = 1/2sin^-1(4/5)

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  3. Check whether the relation R in the set N of natural numbers given by ...

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  4. The function f(x) : (x-1)/(x( x^(2) -1)) is discontinuous at (a) exa...

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  5. The Integrating Factor of the differential equation x(dy)/(dx)-y=2x^2...

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  6. If I vec(a)I = 4 and -3 le lamda le 2,then Ilambda vec(a)I lies in ...

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  7. Differentiate sec^2 (x^2) with respect to x^2

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  8. If cos (sin^(-1)(2/sqrt(5)) + cos^(-1)x) = 0, then x is equal to A) ...

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  9. Evaluate : int(-pi/2)^(pi/2)xcos^2 xdx

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  10. The relation R in the set {1,2,3} given by R = {(1,2), (2,1),(1,1)} is...

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  11. The function f : R rarr [ -1,1 ] defined by f(x) = cos x is (a) both...

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  12. If the radius of the circle is increasing at the rate of 0.5 cm/s , th...

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  13. If y = f(x^2) and f'(x) = e^(sqrtx), then find (dy)/(dx)

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  14. A card from a pack of 52 cards is lost. From the remaining cards of ...

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  15. Find the coordinates of the point where the line (x-1)/3 = (y+4)/7 = (...

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  16. the coordinates of the foot of the perpendicular drawn from the point ...

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  17. Using the method of integration find the area of the triangle ABC, co...

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  18. Find the value of k, so that the function f(x) = {(kx^2 + 5, if x le 1...

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  19. The interval in which the function f given by f(x) = x^2 e^(-x) is str...

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  20. Find: int((tan^(3)x)/(cos^(3)x)) dx

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