If a + 1/b = b+1/c = c+1/a (where a≠b≠c),then abc is equal to
If a = 1/a-5 (a>0), then the value of a + 1/a is
If x = 11, the value of x5- 12x4+ 12x3- 12x2 + 12x - 1 is
If x = y + 2 then x3 - y3 - z3 is