Multiple Choice Questions on Evaluate the function f x limx rarr 8 x1 3 2 x 8 ........ for NDA Exam Preparation

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Multiple Choice Questions

Evaluate the function f x limx rarr 8 x1 3 2 x 8 ........

Mathematics (NDA) limits
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    Evaluate the function f(x)=limx→8  x1/3  -2/x-8?

    1/11

    Incorrect Answer

    1/12

    Correct Answer

    1/8

    Incorrect Answer

    -1/11

    Incorrect Answer
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    Explanation:

    limx→8  x1/3  -2/x-8  

    putting limit value is 0/0 format

    x-8=h

    x=8+h

    limx→8  x1/3  -2/x-8  

    = limh→0  (8+h)1/3  -2/h

    Apply L’ hospital rule

    =limh→0 1/3(8+h)-2/3  /1

    = 1/12

    By: bhavesh kumar singh
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