Most Important Selected Qs for JEE AdvancedMathematicsApplication of Derivatives
If f(x) is a real valued function discontinuous only at x=0 ; having local extrema at x=0 and satisfying (f(x))^2=4 x , then the number of function f(x) is __________.
Correct answer
2
Step-by-step solution
f(x)= array ll 2 ; & x=0 -2 ; & x R-0 array f(x)= cases -2 ; & x=0 2 ; & x R-0 cases .