Question

Diketahui barisan aritmetika 4,k,h,29/2,t.tentukan k,h,t

Answer 1

U4 = a+ 3b
29/2 = 4+3b
29/2-8/2 = 3b
3b = 21/2
b = 7/2

u2= a + b
k = 4 + 7/2
k = 15/2 = 7 1/2

u3= a+2b
h= 4 + 7/2 . 2
h = 22/2 = 11

u5 = a + 4b
t = 4 + 4 . 7/2
t = 18


ket : a= u1