(249)^(2)-(248)^(2)" an that "

The value of (249)^2-(248)^2 is…………….

the value of 249^(2)-248^(2) is

the values of 249^(2)-248^(2) is

The value of (249)^2 -(248)^2 is

the value of 249^(2)-248^(2) is

If A=[(1,2,5),(2,4,8)]_(2xx3) then A' = A^T=[(1,2),(2,4),(5,8)]_(3xx2)

There are as many notes as number of oxygen atoms in 24.8 gm Na_(2)S_(2)O_(3).5H_(2)O (Mw = 248). A note counting machine counts 48 milion notes per day. Number of days taken to count these notes is