A.  x=1 
B.  x=1 
C.  x=0 
D.  x= 1/√3 
Option: A Explanation :
=> f'(x)= x^{2}1
∴ x^{2} 1= 0 x = ± 1 Click on Discuss to view users comments. ishan said: (1:51am on Friday 30th September 2016)
how derivative of fx =x2 1 while fx= x3/x=x2

If f (0) = 2 and f (x) = 1 / (5x2), then lower and upper bound of f(1) estimated by the mean value theorem are
A.  1.9,2.2 
B.  2.2,2.25 
C.  2.25,2.5 
D.  None of these 
Option: B Explanation :
Click on Discuss to view users comments. 