Question

Diketahui barisan bilangan 3, 6, 9, 12, 15 tentukan suku ke 50

Answer 1

Diketahui a=3
b = 6-3 = 3
U50 = a + (50-1)b
  = 3 + 49 . 3
  = 3 + 147
  = 150

Answer 2

B=6-3=3
a=3
U50=a+(n-1) b
=3+49(3)
=3+147
=150