Question

X and y are real numbers such that 2log(x 2y) = log x + log y. What is the value of x y

Answer 1

Answer:

the value of xy is 0

Step-by-step explanation:

log{[(x*2)(y)]*2}=log(xy)

(x*4)(y*2)=xy

(xy)(x*3)(y)=xy

(xy)(x*3)(y)-(xy)=0

[xy] [ (x*3)(y)-1 ]=0

xy=0 (or) (x*3)(y)=1