Math, asked by asdev7838, 9 months ago

In an Ap an equal to 3nplus2 then find 12 th term

Answers

Answered by umiko28
1

Step-by-step explanation:

A.P SERIES

An=3n+2

a1=3×1+2=5

a2=3×2+2=8

a3=3×3+2=11

A.P SERIES=5,8,11........

here a=5,d=8-5=3

a12=?

a12=a+11d

=>5+11×3

=>38

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Answered by dhanalakshmis2524
0

Answer:

Step-by-step explanation:

an = 3n + 2

a1  =  5 ,   a2 = 8 , a3 = 11

5,8,11 ..... are in A.P

a = 5 , d = 8 - 5

             = 3

12th term = a + 11d

              =  5 + 11(3)

              =  5 + 33

             = 38

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