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उन बिन्दुओ का समुच्चय जहाँ f(x)= (x)/(1+...

उन बिन्दुओ का समुच्चय जहाँ `f(x)= (x)/(1+|x|)` अवकलनीय है-

A

`(-oo, -1)uu (-1, oo)`

B

`(-oo, oo)`

C

`(0, oo)`

D

`(-oo, 0) uu(0, oo)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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