prove (S<->T) ~(S<->~T)
5(2a-3b) =5x2a -5x3b=10a-15b=
set P = {d, e, f, g, h, i, j}, then n(P) =?
Given set P = {d, e, f, g, h, i, j}, then n(P) =?
sum of integers between 101 to 200 which are multiple of 5
3 2/4 - 2 3/4
340/40
2x^ - 7x - 4
2x2 - 7x - 4
