I’ve never seen anyone use the first one in typeset equations. At most handwritten fractions. Second one is useful when you want to explain more clearly what’s happening between now and the other side of the equality. In this case it’s useless, though.
Look at his eyebrows
I see the resemblance. But, I am wondering if the notation used in the equation as written actually has meaning in math.
I’ve never seen anyone use the first one in typeset equations. At most handwritten fractions. Second one is useful when you want to explain more clearly what’s happening between now and the other side of the equality. In this case it’s useless, though.
Thanks