Math, asked by Anonymous, 7 months ago

The sum of 10th and 11th terms of an arithmetic sequence is 65.

a) What is the sum of its first and 20th terms?

b) What is the sum of first 20 terms of this sequence?

c) If the 4th term of this sequence is 13, what is its 17th term?

d) What is the common difference of this sequence?

Answers

Answered by subham12345667

0

Answer:

d) answer

Step-by-step explanation:

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