Math, asked by eksjxhshfgg, 1 year ago

find the nth term of ap -15,-18,-21

Answers

Answered by Iamkeetarp
5
Tn = a + (n-1)d

a = -15

d = -18 - (-15) = -3

Tn = -15 + (n-1)(-3)

Tn = -15 + -3n + 3

Tn = - (12 + 3n)

Hope it helped you
Answered by soumya2301
2
hope it will help uh ..
nd plz mark as brainliest ..☺☺
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