Find an Antiderivative Of $(x+\sqrt{\sin (3 x+9)})(x-\sqrt{\sin (3 x+9)})$
A) $\frac{x^{3}}{3}+\frac{1}{3} \cos (3 x+9)+C$

question 172

Multiple Choice

Find an antiderivative of $(x+\sqrt{\sin (3 x+9) }) (x-\sqrt{\sin (3 x+9) })$ .

• A) \(\frac{x^{3}}{3}+\frac{1}{3} \cos (3 x+9)+C\)
• B) \(\frac{x^{3}}{3}-\frac{1}{3} \cos (3 x+9)+C\)
• C) \(\frac{x^{3}}{3}+\frac{1}{3 x+9} \cos (3 x+9)+C\)
• D) \(\frac{x^{3}}{3}-\frac{1}{3 x+9} \cos (3 x+9)+C\)

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