Jawabanmu

2014-09-13T18:41:46+07:00
√2+√2+√2+√2+√2+....... =x
(√2+√2+√2+√2+√2+.......)²=x²
2√2+√2+√2+√2+.......=x²
2. x= x²
x²-2x=0
x(x-2) =0
x=0 (tdk memenuhi
x=2 (memenuhi)