求导f(x)=-a√(x^2+1)

网友回答

f(x)=-a√(x^2+1)
=-a(x^2+1)^(1/2)
f'(x)=-a*(-1/2)(x^2+1)^(1/2-1)*(x^2)'
=a/2*(x^2+1)^(-1/2)*2x
=2x/√(x^2+1)
======以下答案可供参考======
供参考答案1:
-ax(x^2+1)^(-1/2)