In an A.P. an is equal to
3n + 2 then find 12th term.
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Answer:
Given:
a_na
n
= 3n + 2
We have to find, the 12th term of an A.P. (a_{12}a
12
) = ?
Solution:
∴ a_na
n
= 3n + 2
Put n = 1, 2, 3, 4, 5 ......., n
The 1st term of an A.P. ,
a_{1}a
1
= 3(1) + 2
= 3 + 2 = 5
The 2nd term of an A.P. ,
a_{2}a
2
= 3(2) + 2
= 6 + 2 = 8
.........
The 12th term of an A.P. ,
a_{12}a
12
= 3(12) + 2
= 36 + 2 = 38
∴ The 12th term of an A.P. (a_{12}a
12
) = 38
Thus, the 12th term of an A.P. (a_{12}a
12
) = 38
Step-by-step explanation:
hope it helps u....
thank u✌️
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