$X=\frac{2}{5},\frac{5}{2}$ 

 $X=-\frac{2}{5},\frac{5}{2}$ 

 $X=-\frac{5}{2},\ \frac{2}{5}$ 

 $X=-\frac{5}{2},\ -\frac{2}{5}$ 

 $12x^{-5}-9x^{10}$ 

 $12x^5+9x^{-10}$ 

 $12x^5-9x^{-10}$ 

 $12x^{-6}+x^9$ 

 $\frac{2x^3-17x^2-20x-1}{(x+5)^2}$ 

 $\frac{2x^3+17x^2+20x+1}{(x+5)^2}$ 

 $\frac{2x^3+17x^2+20x+1}{(x-5)^2}$ 

 $\frac{2x^3-17x^2-20x-1}{(x-5)^2}$ 

 $-4\ \sin\ x-C$ 

 $4\ \sin\ x\ -C$ 

 $-4\ \sin\ x\ +C$ 

 $4\ \sin\ x\ +C$ 

 $\frac{3x^7}{7}-\frac{2x^3}{3}+\frac{7x^2}{2}+x+C$ 

 $\frac{3x^7}{7}+\frac{2x^3}{3}-\frac{7x^2}{2}-x-C$ 

 $\frac{3x^7}{7}-\frac{2x^3}{3}-\frac{7x^2}{2}+x+C$ 

 $\frac{3x^7}{7}-\frac{2x^3}{3}+\frac{7x^2}{2}-x-C$ 

 $\sin\ x$ 

cos x

1

-1

 $\sin x\$ 

 $\cos\ x$ 

 $\tan\ x$ 

 $1$ 

 $x=\pi n1+\frac{\pi}{4},\ \pi n2+\frac{\pi}{8}$ 

 $x\ =\ \pi n1+\pi,\ \pi n1+\frac{\pi}{2}$ 

 $x=\pi n1+\pi,\ \pi n2+\frac{\pi}{4}$ 

 $x=\pi n1+\frac{\pi}{3},\ \pi n2+\frac{\pi}{6}$ 

 $x=3\pi n1,\ 3\pi n1+\frac{\pi}{3}$ 

 $x=\pi n1,\ \pi n1+\frac{\pi}{3}$ 

 $x=2\pi n1,\ 2\pi n1+\frac{3\pi}{2}$ 

 $x=\pi m1,\ \pi n1+\frac{3\pi}{2}$