a=-3 u4=1/9 r =.......,..........................
Matematika
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Pertanyaan
a=-3 u4=1/9 r =.......,..........................
1 Jawaban
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1. Jawaban arwawinar
◆ U4 = 1/9
→ U4 = a x r^3
→ 1/9 = (-3) x r^3
→ 1/9 ÷ (-3) = r^3
→ 1/9 x (-1/3) = r^3
→ -1/27 = r^3
→ -1/3^3 = r^3
→ -1/3 = r
→ r = -1/3