A A．π B B．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827368_0_1.png"> C C．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827368_0_2.png"> D D．－2/π

A A．lnb－lna B B．b－a C C．e^b－e^a D D．e^b＋e^a

A A．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827415_0_1.png"> B B．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827415_0_2.png"> C C．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827415_0_3.png"> D D．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827415_0_4.png">

A A．cos1 B B．2cos1 C C．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827417_0.png"> D D．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827417_0_1.png">

A A．4 B B．8/3 C C．2 D D．2/3

A A．F（1－x^2）＋C B B．（－1/2）F（1－x^2）＋C C C．（1/2）F（1－x^2）＋C D D．（－1/2）F（x）＋C

A A．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827451_0_1.png"> B B．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827451_0_2.png"> C C．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827451_0_3.png"> D D．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251114/23827451_0_4.png">

A A．5ab^2/3 B B．4ab^2/3 C C．2ab^2/3 D D．ab^2/3

A A．π/2 B B．π C C．2πln2 D D．πln2

A A．tanx＋C B B．xtanx－ln｜cosx｜＋C C C．xsec^2x＋tanx＋C D D．xsec^2x－tanx＋C