让我们首先，对分母做温度的微分。

So let's take the derivative with respect to the temperature on the bottom first.

youdao

你明天和你的分母一起去购物吗？

Will you go shopping with your parents tomorrow?

youdao

我交换了分子和分母，因为这里有个负号。

And I've reversed the fraction here because of the negative sign here.

youdao

我交换了分子和分母，因为这里有个负号。

And I've reversed the fraction here because of the negative sign here.

youdao