Asked by lee

Write a recursive formula for the sequence formula 15,26,48,92,180,.. then find the next term.
can someone please help me
Answered by Steve
Look like Tn = 2T(n-1) - 4
26 = 2*15-4
48 = 2*26-4
so, what's 2*180-4?
Answered by lee
got it thanks
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