Diketahui+rumus+suku+ke+n+adalah+3n+-+6+tentukan+lima+suku+pertamanya!

Un = 3n + 6

U1 = 3(1) + 6 = 9
U2 = 3(2) + 6 = 12
U3 = 3(3) + 6 = 15
U4 = 3(4) + 6 = 18
U5 = 3(5) + 6 = 21