F=P.S
-2/2.-2/1+2
2/5 × -50/27 -5/8 × -5027
2+2
3x $a^{2}$ +6x-52+=7
590871
167444
619287
634588
5451188
4024380
2507750
0.9 + c/1 + c/2 + c/3 + c/4 + c/5 + c/6 = 1
ifA={1,4,8} B={1,0}Find (1) (AxB) (2) (BxA) (3) (BxB) (4)(AxA)
Solve S(k)= S(k-1) +2(k-1) with S(0)=3, S(1)=1 by using generating functions.
20:n = 8:50