CBSE BOARD X, asked by deepalipandit, 1 year ago

find the value of the middle term of the AP: -6, -2, 2........, 58.

Answers

Answered by Mavis01
14

Answer:

26

Explanation:

a = -6

d = 4

tn = a + ( n - 1) d

58 = -6 + (n-1) 4

58 + 6 = 4n - 4

64 + 4 = 4n

68 = 4n

n = 17

middle term = 9

t9 = -6 + (9-1)×4

= -6 + 8×4

= -6 + 32

= 26

the value of the middle term is 26.

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Answered by HatsuneMiku23
0

Answer:

26

Explanation:

a = -6

d = 4

tn = a + ( n - 1) d

58 = -6 + (n-1) 4

58 + 6 = 4n - 4

64 + 4 = 4n

68 = 4n

n = 17

middle term = 9

t9 = -6 + (9-1)×4

= -6 + 8×4

= -6 + 32

= 26

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