if the sum of 1st and 7th terms of an AP is 36,find its middle term?
Answers
Answered by
6
Answer:
middle term = a4
a1 + a7 = 36
a + a + 6d = 36
2a + 6d = 36
2(a+3d) = 36
a + 3d = 18 — 1
a4 = a + 3d — 2
compare 1 and 2
a4 = 18
follow me on brainly
Similar questions
Accountancy,
3 months ago
Hindi,
3 months ago
English,
3 months ago
Math,
7 months ago
Geography,
7 months ago
Math,
1 year ago
Political Science,
1 year ago
Math,
1 year ago