លំហាត់

ចូរគណនាដេរីវេទី​n-th

1. $y=x^3\sin x$
2. $y=\sin x$
3. $y=\cos x$
4. $y=\frac{1}{x-2}$
5. $y=\sqrt{x}$
6. $y=\cos 2x$
7. $y=\frac{1+x}{1-x}$
8. $y=\sin^2x$
9. $y=e^{-3x}$
10. $y=\ln(x+1)$                          by chanchav