Andy C. answered 04/26/18
Tutor
4.9
(27)
Math/Physics Tutor
So basically we are permuting HHHHAAAA
The monomial coefficient formula is
8!
------- =
4! 4!
8*7*6*5
----------- =
4*3*2*1
7*6*5
------- <---- 8 cancels 4*2
3
7*2*5 <------ 6 cancels 3
= 70