Question

AP: 5, 12, 19............. has 50 terms. find middle term

Answer 1

Answer:

a1=5

a2=12

so, a1=a=5

d=12-a

d=12-5

d=7

middle term of ap i.e a25

a25= a+24d

= 5+24(7)

=5+168

=173.

Answer 2

Answer:

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