QuestionNECOGeneral Maths2022ObjectiveSequences & series (AP, GP)Sequences & series (AP, GP)
Find the 15th term of a sequence whose nth term is given by Tn=55n−5.
Worked solution (try it first)
Put
n=15: the top is
5(15)−5=70.
Divide by 5:
T15=14, option C.
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