Chapter12: Sequences, Series And Binomial Theorem
Section12.2: Arithmetic Sequences
Problem 12.37TI: Find the sum of the first 50 terms of the arithmetic sequence whose general term is an=2n5.
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If the third and fourth terms of an arithmetic sequence are −6 and −9, what are the first and second terms?
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Step 1
Given,
Step 2
Now by using nth term of an arithmetic sequence, we have
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