a = 4
b = 10 - 4 = 6, 16 - 10 = 6, 6 konstan
Un = a + (n - 1)b
U40 = 4 + (40 - 1)6
U40 = 4 + 234
U40 = 238.
Jawab:= 238
Penjelasan:Barisan aritmatika· a = 4, U₂ = 10b = U₂ - a = 10-4· b = 6· n = 40
Suku ke-40 (U₄₀) ?Un = a+b(n-1)U₄₀ = 4+6(40-1)U₄₀ = 4+6(40)-6(1)U₄₀ = 4+240-6U₄₀ = 244-6U₄₀ = 238
(xcvi)
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a = 4
b = 10 - 4 = 6, 16 - 10 = 6, 6 konstan
Un = a + (n - 1)b
U40 = 4 + (40 - 1)6
U40 = 4 + 234
U40 = 238.
Verified answer
Jawab:
= 238
Penjelasan:
Barisan aritmatika
· a = 4, U₂ = 10
b = U₂ - a = 10-4
· b = 6
· n = 40
Suku ke-40 (U₄₀) ?
Un = a+b(n-1)
U₄₀ = 4+6(40-1)
U₄₀ = 4+6(40)-6(1)
U₄₀ = 4+240-6
U₄₀ = 244-6
U₄₀ = 238
(xcvi)