Question

Find the mid term of the series 2, 6, 10, 14.............,106.​

Answer 1

Answer:

Step-by-step explanation:

a=2

d=4

l=106

n=l-a/d+1

=106-2/4

=26

now,

26÷2

13th term is mid term

a13=2+12×4

=50

Hence, mid term is 50.

Answer 2

Answer:

Step-by-step explanation:

a = 2

a2 = 6

d = 4

an = 106

Now, an = a + (n - 1)d

=》 106 = 2 + (n - 1)4 =》 106 - 2 = (n - 1)4

=》 104 = (n - 1)4 =》 104/4 = n - 1

=》26 + 1 = n =》 n = 27

Now, the mid term out of 27 terms will be its 14th term

Now, a14 = a + 13d

=》 2 + 13 × 4 =》 2 + 52 =》 54

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