FIND ALL REAL NUMBER(S) X SATISFYING THE EQUATION {(X+1) }3 =X3,...

11. - TRƯỜNG THCS HOÀNG XUÂN HÃN
TRƯỜNG THCS HOÀNG XUÂN HÃN

11. Find all real number(s)

x satisfying the equation

{(

x

+

1) }

3

=

x

3

, where { }

y denotes

the fractional part of y , for example {3.1416….}= 0.1416…..

Answer:_________________________.