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daz4
daz4 daz4
  • 10-09-2016
  • Mathematics
Answered

4 -12 36 -108 324 what's the rule

Verified Answer :

caylus
caylus caylus
  • 10-09-2016

Hello,
\(u_{1}=4\\ u_{2}=4*3=12\\ u_{3}=4*3^2=36\\ u_{4}=4*3^3=108\\ ...\\ \boxed{u_{n}=4*{n-1}}\\\)

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