What is the 42nd term of the sequence 12.25, 14.50, 16.75,...?
1 answer:
T3 - T2 = T2 - T1
16.75 - 14.50 = 14.50 - 12.25
2.25 = 2.25
so this is arithmetic progression
T42 = 12.25 + 41(2.25)
= 12.25 + 92.25
= 104.5
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