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EXERCISE 8 A Q.30
Q.30) The derivative of
is
a) (x
2
+ 1) / (x
2
+ 4)
Try again
b) (x
2
- 1) / (x
2
- 4)
Correct
c) 1 / (x
2
- 4)
Try again
d) none of these
Try again
Solution :
Answer : (b)