超纠结有这样2道题计算下列微积分1 ∫(0.1)e^2Xdx 2 ∫(π/4 .π/6)cos2xdx 都得怎么算,为什么∫(0.1)e^2Xdx=1/2e^2X](0 .1) 那个1/2那来的啊哦也既e^2X到底怎么算其原函数呢?还有为什么∫(π/4 .π/6)cos2xdx=1/2s
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![超纠结有这样2道题计算下列微积分1 ∫(0.1)e^2Xdx 2 ∫(π/4 .π/6)cos2xdx 都得怎么算,为什么∫(0.1)e^2Xdx=1/2e^2X](0 .1) 那个1/2那来的啊哦也既e^2X到底怎么算其原函数呢?还有为什么∫(π/4 .π/6)cos2xdx=1/2s](/uploads/image/z/12563089-25-9.jpg?t=%E8%B6%85%E7%BA%A0%E7%BB%93%E6%9C%89%E8%BF%99%E6%A0%B72%E9%81%93%E9%A2%98%E8%AE%A1%E7%AE%97%E4%B8%8B%E5%88%97%E5%BE%AE%E7%A7%AF%E5%88%861+%E2%88%AB%280.1%29e%5E2Xdx+2+%E2%88%AB%28%CF%80%2F4+.%CF%80%2F6%29cos2xdx+%E9%83%BD%E5%BE%97%E6%80%8E%E4%B9%88%E7%AE%97%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E2%88%AB%280.1%29e%5E2Xdx%3D1%2F2e%5E2X%5D%280+.1%29+%E9%82%A3%E4%B8%AA1%2F2%E9%82%A3%E6%9D%A5%E7%9A%84%E5%95%8A%E5%93%A6%E4%B9%9F%E6%97%A2e%5E2X%E5%88%B0%E5%BA%95%E6%80%8E%E4%B9%88%E7%AE%97%E5%85%B6%E5%8E%9F%E5%87%BD%E6%95%B0%E5%91%A2%3F%E8%BF%98%E6%9C%89%E4%B8%BA%E4%BB%80%E4%B9%88%E2%88%AB%28%CF%80%2F4+.%CF%80%2F6%29cos2xdx%3D1%2F2s)
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