123k views
4 votes
4 -12 36 -108 324 what's the rule

User Maryisdead
by
8.0k points

1 Answer

6 votes
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}}\\
User Fantastory
by
8.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories