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f'(x)=sin(x-1)^2 f(0)=0 求∫ (0,1) f(x)dx
人气:305 ℃ 时间:2020-07-03 15:42:43
解答
做个简单点的吧,设f'(x)=[sin(x-1)]^2f(x)=∫f'(x)dx=∫[sin(x-1)]^2dx=∫[sin(x-1)]^2d(x-1)=∫{1-cos[2(x-1)]}/2*d(x-1)=(x-1)/2-1/4*sin[2(x-1)]+Cf(0)=-1/2-1/4*sin(-2)+C=0=> C=1/2-1/4*sin2f(x)=x/2-1/4*sin[2...
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