1
Calculer \(I_1=\displaystyle\int_0^{\pi/3}\bigl(1-\cos(3x)\bigr)\,dx\).
2
Calculer \(I_2=\displaystyle\int_0^{\sqrt{\pi}} 2x\sin(x^2)\,dx\).
3
Calculer \(I_3=\displaystyle\int_1^{2}\frac{1}{x\sqrt{\ln x}}\,dx\).
Calculer \(I_1=\displaystyle\int_0^{\pi/3}\bigl(1-\cos(3x)\bigr)\,dx\).
Calculer \(I_2=\displaystyle\int_0^{\sqrt{\pi}} 2x\sin(x^2)\,dx\).
Calculer \(I_3=\displaystyle\int_1^{2}\frac{1}{x\sqrt{\ln x}}\,dx\).