Math, asked by midhun46, 9 months ago

nth term of an arithmetic sequence is 4n+3.Find the sum of first 20 terms of the sequence

Answers

Answered by tejasss91644

4

Answer:

80n+60

Step-by-step explanation:

4n + 3 x (20)

80n + 60

Therefore,80n+60 is the answer

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