badian kinwiko
Member
- Dec 8, 2013
- 94
- 10
Naomba kwako mwenye uwezo wa kufanya hesabu hizi, unisaidie hapahapa. 1.Ikiwa set A={XER;6>X, au9<X} B={XER;-4>X au3<X} C={XER;-4<X<6} tafuta; a)AuB b)BnC c)AnB' 2.Ikiwa n(AnB)=5, n(AuB)=16, n(B-A)=8, n(AuB)'=4 Tafuta; n(A), n(B), n(AnB'), n(A'nB'), n(A'nB)