Jawaban:
Un = a + (n - 1 )× b
3/16 = 12 +( n -1) ×1/2
3/16 = 12 × 1/2 +( n -1)
3/16 = 6 + (n - 1)
3/16 - 6 = n - 1
3/16 - 6 + 1 = n
n = 3/16 -5
= 3 /16 - 80/16
= - 77/16
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Jawaban:
Un = a + (n - 1 )× b
3/16 = 12 +( n -1) ×1/2
3/16 = 12 × 1/2 +( n -1)
3/16 = 6 + (n - 1)
3/16 - 6 = n - 1
3/16 - 6 + 1 = n
n = 3/16 -5
= 3 /16 - 80/16
= - 77/16