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Find 3 numbers in a geometrical sequence if: a1+a2+a3=21 a1xa2xa3=64 (That x is multiplying)

Find 3 numbers in a geometrical sequence if: a1+a2+a3=21 a1xa2xa3=64 (That x is multiplying)
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5 votes
Find 3 numbers in a geometrical sequence if:

a1+a2+a3=21
a1xa2xa3=64 (That x is multiplying)

asked
User Andrey Pushkarev
by
8.7k points

1 Answer

2 votes

a1+a2+a3=21

(a1=1,a2=3,a3=7)

a1xa2xa3=64

(a1=2,a2=4,a3=8)

answered
User Hsiao
by
8.2k points
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