\(\int\left(3^x-\dfrac{4}{x}+5x^2\right)dx=\dfrac{3^x}{ln3}-4ln\left|x\right|+\dfrac{5}{3}x^3+C\)
\(\int\left(\dfrac{7}{cos^2x}+cosx-3^x+2\right)dx=7tanx+sinx-\dfrac{3^x}{ln3}+2x+C\)
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