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Test whether the relation : R = {(m, n)...

Test whether the relation : ` R = {(m, n):2|(m+n)}` on `ZZ` is reflexive, symmetric or transitive.

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Let R={(x,y):xlty,x,yinN} . Check if R is reflexive, symmetric or transitive.

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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2020-PREVIOUS YEAR QUESTION
  1. Prove that tan{(pi)/(4)+(1)/(2) "cos"^(-1)(a)/(b)}+tan{(pi)/(4)-(1)/(2...

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  2. A man plans to start a poultry farm by investing at most ₹ 3000. He ca...

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  3. Test whether the relation : R = {(m, n):2|(m+n)} on ZZ is reflexive, ...

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  4. There are two families A and B. There are 4 men, 6 women and 2 childre...

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  5. Eliminate x,y,z from a=x/y-z, b=y/z-x, c=z/x-y

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  6. There are 25 girls and 15 boys in class XI and 30 boys and 20 girls in...

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  7. Four cards are drawn successively with replacement from a well shuffle...

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  8. Find the inverse of the matrix [{:(4,-2),(3,1):}]

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  9. If sin (x + y) = y cos (x + y) then prove that dy/dx =-(1 + y^2)/y^2

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  10. What is the derivative of sec^(-1)(1/(2x^2-1)),with respect to(sqrt(1...

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  11. Find the approximate value of sqrt(0.24).

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  12. Show that the tangent to the curve x = a (t - sin t), y = at (1 + cos ...

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  13. Examine the contiunity of the following functions at the indicated poi...

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  14. Evaluate the following integrals : int(0)^(pi//2)log|(4+3sinx)/(4+3c...

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  15. The area between x=y^(2) and x=4 is divided into two equal parts by th...

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  16. Solve the following differential equation:- x(dy)/(dx) + y = y^2 lnx

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  17. Solve : In((dy)/(dx)) = 3x+4y given that y=0, when x=0.

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  18. Evaluate the following integrals int(3sinx+28cosx)/(5sinx+6cosx)dx

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  19. If veca = 3hati+hatj-2hatk, vecb = 2hati-3hatj+4hatk then verify that ...

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  20. Passing throughthe point (2,-3,1) and (-1,1-7) and perpendicular to th...

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