✨ Best Answer ✨
y'=(x+√(x^2+4))'/(x+√(x^2+4))
=(1+x(x^2+4)^(-1/2)) / (x+√(x^2+4))
= (1+x(x^2+4)^(-1/2))
/ (1+x(x^2+4)^(-1/2))・(x^2+4)^(1/2)
=1/(x^2+4)^(1/2)
=1/√(x^2+4)
です。
✨ Best Answer ✨
y'=(x+√(x^2+4))'/(x+√(x^2+4))
=(1+x(x^2+4)^(-1/2)) / (x+√(x^2+4))
= (1+x(x^2+4)^(-1/2))
/ (1+x(x^2+4)^(-1/2))・(x^2+4)^(1/2)
=1/(x^2+4)^(1/2)
=1/√(x^2+4)
です。
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