Question

Answer with solution

Answer 1

Answer:

47

Step-by-step explanation:

log (x+y)/7 = 1/2( log x + log y)

log (x+y)/7 = 1/2( log xy)

log (x+y)/7 = log (xy)^1/2

(x+y)/7 = √(xy)

(x + y)^2 = 49 (xy)

x^2 + y^2 +2xy = 49 xy

x^2 + y^2 = 47 xy

(x^2 + y^2)/xy = 47

x/y + y/x = 47