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Let f (x)=[{:((a (1-x sin x)+ b cos x +5...

Let `f (x)=[{:((a (1-x sin x)+ b cos x +5)/(x ^(2)),,, x lt 0), ((1+ ((dx + dx ^(3))/(dx ^(2))))^(1/x),,, x gt 0):}`
If f is continous at `x=0` then correct statement (s) is/are:

A

`a+c=-1`

B

`b+x=-4`

C

`a+b=-5`

D

`c+d=an` irrational number

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The correct Answer is:
A, B, C, D
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