In an AP the sum of first n terms is 3n^2÷2+13n÷2. Find the 25th term.
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25th term
= Sum of first 25 terms - Sum of first 24 terms
First put 25 in place of n and solve
Then put 24 in place of n and solve
Then subtract the two solutions
Answer will be equal to 25 the Term
= Sum of first 25 terms - Sum of first 24 terms
First put 25 in place of n and solve
Then put 24 in place of n and solve
Then subtract the two solutions
Answer will be equal to 25 the Term
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