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which of the folloiwng function has poin...

which of the folloiwng function has point of extremum at x =0?

A

f(x) =`e^(-|x|`

B

f(x) = sin |x|

C

f(x)=`{{:(x^(2)+4x+3,xlt0),(-x,xge0):}`

D

f(x)=`{{:(x^(2)+4x+3,xlt0),(-x,xge0):}`

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The correct Answer is:
1,2,4

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CENGAGE-MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS-Exercise (Multiple)
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  9. For the function f(x)=(e^x)/(1+e^x), which of the following hold good?...

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  10. Which of the following is true about point of extremum x=a of function...

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  11. which of the folloiwng function has point of extremum at x =0?

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  12. Which of the following function/functions has/have point of inflection...

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  15. Let f be function f(x)=cosx-(1-X^(2)/(2)).Then

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  16. Consider the function f(x)= x cos x - sin x , then identify the statem...

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  17. If f(x)=(x^2)/(2-2cosx);g(x)=(x^2)/(6x-6sinx) where 0 < x < 1, then (A...

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  19. For any acute angled triangleABC,(sinA)/(A)+(sinB)/(B)+(sinC)/(C ) can

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  20. Let f(x) be a non negative continuous and bounded function for all xge...

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