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