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Vijay posted an Question
December 24, 2021 • 06:26 am 30 points
  • IIT JAM
  • Mathematics (MA)

Sp2017;20. please send the solution to the problem given in the attachment.

SP2017;20. please send the solution to the problem given in the attachment.

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  • Anonymous User Best Answer

    B check attachment

    cropped171189822239578455.jpg
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    sir, how you got -1 in option b?

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    x²=1 => x=±1

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    since domain € real numbers, therefore, option b should be correct.

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    √1 ki value ±1 hogi isme f ki codomain [0,&] use nahi hogi

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    samaj nahi aaya mujhe please clarify.

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    kisi bi number ke root ki two vlaues hoti hai ± so if we take - sign then option false

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    par sir aisa hamesha sahi nahi hota hai na?

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