-Exercice 6: Calculer f'(x):
1) f(x) = x lnx-x; 2) f(x) = 1 - (In x)²
X
3) f(x) =
+ In(x - 2);
x-2
4) f(x) = ln (√x² +1 − x);
5) f(x) = -2x + (1 + ln x)² ;
1
6) f(x) =
−1+=+Inx;
X
7) f(x) =
8) f(x) = x(−1+ ln x)²;
In x
1
1
9) f(x) = x₂ + +(-)²
22x²
X
10) f(x)= In(x-2√x + 2)
-2(lnx)² + 3 lnx-1 ;