X varies directly as the product of u and v and inversely as their sum if x=3 when u=3 and x=1 what is the value of x if u=3 and v=3?

2 answers

X = u*v/(u+v)
X = 3*3/(3+3) = 9/6 = 1.5.
X varies directly as the product of u and v and inverselyas their sum. If x =3 when u =3 and v =1 what is thevalue of x if u =3 when u = 3 and v = 3?