Question

calcule a soma dos cinco primeiros termos da P.G (3,24,192...)​

Answer 1

s = a1.(qⁿ - 1) / q-1

s = 3.(8⁵ - 1) / 8-1

s = 3.(32767) / 7

s = 98301 / 7

s = 14043 ✓

Answer 2

3 24 192 1536........12288

.....*8 ....*8 .....*8 .....*8