Diketahui U1= -6 U4 =48 Ditanya U7.....?
Matematika
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Pertanyaan
Diketahui U1= -6 U4 =48 Ditanya U7.....?
2 Jawaban
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1. Jawaban onex14
a = -6
U4=48
U4 = a + 3b = 48
-6 + 3b = 48
3b = 54
b = 18
Un = a + (n-1)b
U7 = a + (7-1)b
= -6 + 6x18
= -6 + 108
= 102 -
2. Jawaban Faizalhafizi82
b = -2 jd
U7=a+(n-1)b
=-6+(6)-2
=-18
jd U7=-18