Question

Ss se rezolve in R ecuația f’(x)=0,unde f este functia definita prin formula:
a) f(x)= x3- 2 x2;
b) f(x)=2xlnx;
C) f(x)=(x-1)ea puterea x.
Am nevoie rapid

Answer 1

a)

(x^3-2x^2)'=3x^2-4x

b)

(2xlnx)'=2lnx+2

c)

(x-1)^x)'=((x-1)^x)*(x+(x-1)*ln(x-1))/x-1