Question

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

Answer 1

Here, a = –6,

d = –2 – (–6) = 4,

an = 58

We have an = a + (n – 1) d

So , 58 = –6 + (n – 1) × 4

i.e., 64 = (n – 1) × 4

i.e., n = 15

As n is an odd number, there will be 1 middle terms which is the 8th term

a8= -6 +7*4

a8= -6+28

a8=22

Answer 2

Answer:

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