Yg b sama c aja yg di isi
B = (22-14)/(5-3) = 8/2 = 4
U3 = a + 2×4 = 14
a = 14-8 = 6
a) u12 = a + 11b = 6 + 11×4 = 50
b) u20 = 6 + 19×4 = 82
s20 = 20/2 x (6 + 82) = 10 x 88 = 880
Semoga jawaban ini dapat membantu.
Yg b sama c aja yg di isi
B = (22-14)/(5-3) = 8/2 = 4
U3 = a + 2×4 = 14
a = 14-8 = 6
a) u12 = a + 11b = 6 + 11×4 = 50
b) u20 = 6 + 19×4 = 82
s20 = 20/2 x (6 + 82) = 10 x 88 = 880
Semoga jawaban ini dapat membantu.