問題：次の式を計算せよ
- (1) \( \displaystyle \int_{}^{} e^x dx \)
- (2) \( \displaystyle \int_{}^{} 5^x dx \)
- (3) \( \displaystyle \int_{}^{} \sin x dx \)
- (4) \( \displaystyle \int_{}^{} -\dfrac{1}{\sin^2 x} dx \)
- (5) \( \displaystyle \int_{}^{} \dfrac{3}{x} dx \)
- (6) \( \displaystyle \int_{}^{} -2\tan x dx \)
- (7) \( \displaystyle \int_{}^{} \log x dx \)
- (8) \( \displaystyle \int_{}^{} \dfrac{x}{9} dx \)
- (9) \( \displaystyle \int_{}^{} \dfrac{1}{\sqrt[4]{x^3}} dx \)
- (10) \( \displaystyle \int_{}^{} 3x^2 dx \)