Multiple Choice Questions on Evaluate the given function f x x3 x2 2x3 7x2 ........ for NDA Exam Preparation

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Multiple Choice Questions

Evaluate the given function f x x3 x2 2x3 7x2 ........

Mathematics (NDA) limits
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Evaluate the given function f(x)=\lim_{x\rightarrow 0}      x3+x2/2x3-7x2?

-1/7

Correct Answer

1/7

Incorrect Answer

1/6

Incorrect Answer

-1/6

Incorrect Answer
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Explanation:

f(x)=\lim_{x\rightarrow 0}      x3+x2/2x3-7x2

since this has 0/0

using L hospital rule two times

Limx →0 3x2+2x/6x2-14x

= Limx →0 6x +2/12x -14

=  2/-14

= -1/7

 

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