Question

plz say fast I will follow them and I will give 100 points ​

Answer 1

11.

x^2+y^2=25xy

add2xy on both sides

x^2+y^2+2xy=25xy+2xy

x^2+y^2 +2xy=27xy

therefore x^2+y^2 +2xy =(x+y)^2

(x+y)^2=27xy

apply log on both sides

log(x+y)^2=log 27xy

2log(x+y)=log3^3xy

2log(x+y)=3log3+logx+logy

Answer 2

Answer:

hi friend

Step-by-step explanation:

I use to get 2 rank