If sum of five numbers in a.p. is 40 then find the middle term
Answers
Answered by
1
Answer:
8
Step-by-step explanation:
40=5(2a+4d)/2
40=5(a+2d)
8=a+2d
a3=third term of AP =8
Answered by
1
Let the five numbers of an AP be
a - 2d, a - d, a, a + d, a + 2d
In this case we need to find middle term which is “a”.
Given:
Sum of 5 numbers = 40
a - 2d + a - d + a + a + d + a + 2d = 40
5a = 40
a = 40/5 = 8
Middle term of the 5 numbers in AP whose sum is 40 is “8”. ——> Answer
a - 2d, a - d, a, a + d, a + 2d
In this case we need to find middle term which is “a”.
Given:
Sum of 5 numbers = 40
a - 2d + a - d + a + a + d + a + 2d = 40
5a = 40
a = 40/5 = 8
Middle term of the 5 numbers in AP whose sum is 40 is “8”. ——> Answer
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