$$\cos\left(2x\right)+C$$  

  $$-\frac{1}{2}\cos\left(2x\right)+C$$  

$$-\cos\left(2x\right)+C$$  

$$\frac{1}{2}\cos\left(2x\right)+C$$  

$$\sin\left(x^2\right)+C$$  

$$2\sin\left(x^2\right)+C$$  

$$\frac{1}{2}\sin\left(x^2\right)+C$$  

$$4\cos\left(x^2\right)+C$$  

$$\frac{\left(x^7-1\right)^9}{9}+c$$  

$$\frac{\left(x^7+1\right)^9}{9}+c$$  

$$\frac{\left(x^7+1\right)^8}{8}+c$$  

$$\frac{\left(7x^6+1\right)^9}{9}+c$$  

$$\frac{1}{2\sqrt{3+x^2}}+C$$  

$$\sqrt{3+x^2}+C$$  

$$2\sqrt{3+x^2}+C$$  

$$\frac{2}{\sqrt{3+x^3}}+C$$  

$$\frac{1}{2}\left(3x^3+5\right)^6+C$$

$$\frac{2}{5}\left(3x^3+5\right)^5+C$$

$$\frac{5}{6}\left(3x^3+5\right)^6+C$$

$$\frac{3}{5}\left(3x^3+5\right)^5+C$$

$$\frac{1}{9}\left(5+2x^3\right)^{\frac{3}{2}}+C$$  

$$\frac{2}{3}\left(5+2x^3\right)^{\frac{3}{2}}+C$$  

$$6x\left(5+2x^3\right)^{\frac{3}{2}}+C$$  

$$\frac{1}{9}x^3\left(5+2x^3\right)^{\frac{3}{2}}+C$$  

(1/3)(x² + 5)⁻³ + C

-(1/3)(x² + 5)⁻³ + C

-4(x² + 5)⁻⁵ + C

(x² + 5)⁻⁴ + C

(1/(x⁴ + 1)) + C

-(1/(x⁴ + 1)) + C

-2(x⁴ + 1)⁻³ + C

ln(x⁴ + 1) + C

(1/5)(3x² + 4x)⁵ + C

(1/10)(3x² + 4x)⁵ + C

(3x² + 4x)⁴ + C

(1/4)(3x² + 4x)⁴ + C

$$(x^{3/2} - 1)/3 + C$$

$$(x^{3/2} - 1)/3 - sin(2(x^{3/2} - 1))/6 + C$$

- $$-cos(x^{3/2} - 1)$$ + C

$$(2/3) sin²(x^{3/2} - 1) + C$$