Math, asked by ayush1462003, 11 months ago

If the sum of the first n terms of an Ap is 4n-n^2,what is the first term?​​

Answers

Answered by dhanalakshmis2524
1

Answer:

Step-by-step explanation:

S1 = 1st term

sn  = 4n - n²

first term (a) = 4(1) - 1²

                    = 4 - 1

                    = 3

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