Diketahui x1 dan x2 merupakan akar akar persamaan x^2logx=x^2. Nilai x1+x2=

log( log ( x+2)) +log 2 = log( log 16x)
log( 2. log ( x+2) )= log(log 16x)
log(log(x+2)^2) = log(log 16x)
(x+2)^2 = 16 x
x^2+4x+4 = 16x
x^2-12x+4=0
jadi x1. x2 = c/a = 4/1=4