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If f(x) {:( (1-cos(10x))/(x^(2)) ", ...

If f(x) ` {:( (1-cos(10x))/(x^(2)) ", if " x lt 0 ),(= a ", if " x = 0 ),(=(sqrt(x))/(sqrt(625+sqrt(x))-25)", if " x gt 0 ):}` is continuous at x = 0 , then a =

A

25

B

50

C

`-25`

D

75

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The correct Answer is:
b
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MARVEL PUBLICATION-CONTINUITY F FUNCTIONS-MULTIPLE CHOICE QUESTIONS
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  11. If f(x) {:( =(x-|x|)/x", ... " x!=0 ),(=2", ... " x...

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  15. If the function f(x) {:(=5x-4", ... "0 lt x le 1 ), (=4x^(2)+...

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  16. If f(x) is continuous at x=3, where f(x)={:{((x^(2)-9)/(x-3),", for"x...

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  18. If f(x) = |x-2|, then :

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