Q. 225.0( 1 Vote )

Mark the correct A. strictly increasing

B. strictly decreasing

C. neither increasing nor decreasing

D. none of these

Answer :

Formula:- (i) The necessary and sufficient condition for differentiable function defined on (a,b) to be strictly increasing on (a, b) is that f’(x)>0 for all x(a,b)



For x>0



For x<0



Both are increasing for f’(x)>0

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