If x = 11, the value of x5- 12x4+ 12x3- 12x2 + 12x - 1 is
If x = y + 2 then x3 - y3 - z3 is
If a+ 1/b = 1 and b+1/c = 1, then the value of c+1/a is
If x2+1/x2=98 (x>0), then the value of x3+1/x3 is