Question

Find the 10th term of the AP 3,6,9,12,
15.l​

Answer 1

Answer:

3,6,9,12,......

a=3.

d=a2-a1=6-3=3.

n=10.

a10=?.

an=a+(n-1)d.

a10=3+(10-1)(3).

a10=3+(9)(3).

a10=3+27.

a10=30.

I think this is your answer.

Answer 2

Answer:

first term(a) = 3

common difference(d) = 6-3=3

n=10

use the formula

an= a+(n-1)d

a10= 3+(10-1)3

     =3+27 = 30

hope it helps

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