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Sehingga,
a +3b = 46
a + 3(5) = 46
a + 15 = 46
a = 31
Sehingga,
U10 = a+9b
= 31+(9)5
= 31+45
= 76
a + 3b = 46
a + 3(5) = 46
a = 46 - 15
a = 31
Un = a + (n-1)b
U₁₀ = 31 + 9(5)
= 31 + 45
= 76