lim(x趋近无穷)[∫t^2 e^(t^2-x^2)d(x)]/x {定积分上限是x,下限为0}我知道用到洛必达法则,5,不是d(x)~原题应为lim(x趋近无穷)[∫t^2 e^(t^2-x^2)d(t)]/x {定积分上限是x,下限为0}

问题描述:

lim(x趋近无穷)[∫t^2 e^(t^2-x^2)d(x)]/x {定积分上限是x,下限为0}
我知道用到洛必达法则,5,
不是d(x)~原题应为lim(x趋近无穷)[∫t^2 e^(t^2-x^2)d(t)]/x {定积分上限是x,下限为0}