WILL GIVE BRAINLIEST!!!!!!!!-What is the recursive rule for this geometric sequence?
2 answers:
I just learned this, I believe that the answer is <span>a1=21;an=7⋅an−1</span>
The correct answer, i took the test was: <span><span>a1 </span>=7;<span>an </span>=3⋅<span>a<span>n−1</span></span></span>
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