]求积分:(积分符号)(上限1下限-1) (x-1)*根号下(1-x^2) *dx
问题描述:
]求积分:(积分符号)(上限1下限-1) (x-1)*根号下(1-x^2) *dx
答
(积分)(上限1下限-1) (x-1)*根号下(1-x^2) *dx
=(积分)(上限1下限-1)x*根号下(1-x^2) *dx -(积分)(上限1下限-1)根号下(1-x^2) *dx
=0-(积分)(上限1下限-1)根号下(1-x^2) *dx=-π/2