Anku posted an Question
January 06, 2021 • 21:42 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Gow to solve this question pls show steps....

gow to solve this question pls show steps. . .. . . ....

3 Answer(s) Answer Now
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  • comment-profile-img>
    Arzoo Best Answer

    See the attachment

    cropped1119339879593581180.jpg
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    mam by which theorem or property u concluded in 3rd last line that graph cuts only once?

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    As fn is monotonically increasing therefore if graph of fn cut x axis this will imply that fn became decreasing at some point which will be contradiction

  • comment-profile-img>
    Satpal singh best-answer

    see the attachment. since f(x) and g(x) has one intersection point so the given equation has one real root.

    cropped4383568327501902663.jpg
  • Anonymous User best-answer

    every odd degree polynomial has atleast one real root

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    sir suppose it had even degree say 8 then how to proceed in that case?

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    u should visit through this link

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    https://youtu.be/LanLJc4itI4

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