The value of `(998)^2` is

Evaluate: (998)^2

Evaluate: (998)^3

The value of 998(2)/(17)+998(3)/(17)+998(5)/(17)+998(8)/(17)+998(16)/(17) is (a) 4990( b) 4992(c)9998(d)10000

Evaluate i ^998

If x=997 , y=998 z=999 then the value of x^(2)+y^(2)+z^(2)-xy-yz-zx will be