Can someone please help me derive this formula?

sunboy25

Can someone please help me derive this formula? [Copy link]

If someone has the basic skills, please help me derive this formula. I'd like to see the process. I've been trying to simplify it for a long time but I can't do it well.

alianyyj

As follows:

sunboy25

alianyyj posted on 2020-11-2 19:23 as follows:

Thank you so much for your help! w/w0<1, if you hadn't told me this, I would never have thought of it, there is such a big pit in it, I have been simplifying it for two days, but it has not been simplified, which makes me doubt my life!

alianyyj

sunboy25 posted on 2020-11-2 21:08 alianyyj posted on 2020-11-2 19:23 as follows: Thank you so much, big brother for your help! w/w0<1, if you hadn't told me this...

Not a big boss, just a newbie.

sunboy25

alianyyj posted on 2020-11-3 16:10 Not a big shot, just a newbie.