there are 20trrms in an arithmetic sequence. the sum of first and last term is 88. what is the sum of 2nd and 19th terms?
Answers
Answered by
57
Given
Total number of terms = 20
Terms are in AP
Sum of first and the last term = 88
To find
Sum of the second and 19th term
Equations (1) and (2) are same
Therefore,
2a + 19d = 88
Answered by
48
Answer:
For showing Full answer click on photo
Attachments:
Similar questions
Math,
4 months ago
Geography,
4 months ago
Math,
4 months ago
Math,
9 months ago
Math,
9 months ago
Social Sciences,
1 year ago
Computer Science,
1 year ago