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 Multiple Choice QuestionsMultiple Choice Questions

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41.

limn11 . 2 + 12 . 3 + 13 . 4 + ... + 1nn + 1 is equal to

  • 1

  • - 1

  • 0

  • None of these


42.

limxx + 5x + 2x + 3 equals

  • e

  • e2

  • e3

  • e5


43.

If g(x) is a polynomial satisfying g(x) g(y) = g(x) + g(y) + g(xy) - 2 for all real x and y and g(2) = 5, then limx3 g(x) is

  • 9

  • 10

  • 25

  • 20


44.

If the normal to the curve y = f(x) at (3, 4) makes an angle 3π4 with the positive x-axis, then f'(3) is equal to :

  • - 1

  • 34

  • 1

  • 34


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