求y=arcsin√(1-x^2)的微分,根据arcsinx'=1/√(1-x^2)根据arcsinx'=1/√(1-x^2),我算得是[-1/√(1-x^2)]dx答案却是dy=[1/√(1-x^2)]dx,当-1

问题描述:

求y=arcsin√(1-x^2)的微分,根据arcsinx'=1/√(1-x^2)
根据arcsinx'=1/√(1-x^2),我算得是[-1/√(1-x^2)]dx
答案却是dy=[1/√(1-x^2)]dx,当-1