Question 350181
Let x=.04 and y=.96
expand (x+y)^12
.
a) y^12=.6127
.
b) 12xy^11+y^12=.9191
1-.9191=.0809
.
c) 12C3=220, 12C4=495
220x^3y^9+495x^4y^8=.0106
.
Ed