1.

Which of the following is true about point of extremum x=a of function y=f(x)

Answer»

At x=a , FUNCTION y=f(x) may be discontinuous
At x=a , function y=f(x) may be CONTINUOUS but non - differentiable
At x=a , function y=f(x) may have point of inflection
None of these

Answer :A::B::C


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