Question

find sum of first 34 terms of the ap whose n^th term is given by an = 5-2n

Answer 1

Answer:

Step-by-step explanation: take n value as 1 2 and 3 and substitute it in the equation 5-2n then u will get it first three terms..... Then you can get the first term and the common difference..... Then use the Sum formula and find out the value of first 34 terms

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