Question

-X
-
Blo
TT
x < -
2
7
If f(x) = -cos x
< x < 0 then -
2
x-1 , 0< x 51
enx
x > 1
[JEE 2011, 4]
T
A) f(x) is continuous at x = -
2
B) f(x) is not differentiable at x = 0
C) f(x) is differentiable at x = 1
3
D) f(x) is differentiable at x
2​

Answer 1

Step-by-step explanation:

bbsnajkdodhsbbsbbrvdyudidnwvehruifiebwvwuffukwveyeifmbfydjebf

Answer 2

Answer:

sorry

Step-by-step explanation:

I don't know this

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