Evaluate the integral? Use integration by parts. uv - int v du u = e^x du = e^x dv = sinx v = -cosx int e^x sinx dx -e^x cosX - int -cosx e^x -e^x cosx + sinx e^x + C ---
【题目】()3.I sometimes go shopping with my mum on Sundays. 答案 【解析】【答案】F【核心短语/词汇】go shopping:去购物【翻译】有时我星期天和我妈妈去购物。【解析】题目的意思是:有时我星期天和我妈妈去购物。根据图片可知他们去爬山而不是去购物,句子与图片不相符,故答案为F。相关推荐 1【题目】(...