Math, asked by csyogin, 4 months ago

find the 11th term of an ap 21,18,15

Answers

Answered by Snapskg730

2

Answer:

a = 21

d = 18-21= -3

a11 = a + 10d

a11 = 21 + 10(-3)

a11 = 21 - 30

a11 = - 9

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