12th term of a.p.-5,-1,3,7,...is
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Answered by
0
Answer:
Step-by-step explanation:
Given,
a=-5
d=-1-(-5)=-1+5=4
n=12
A12=a+(n-1)d
=-5+(12-1)×4
= -5+11×4
=-5+44.
=39.
Hence, 12th term of this A.P be 39.
Anonymous:
-1-5 is not 4 bro
Answered by
0
a = -5,d = -1-(-5) =4 and n = 12.
We have, an = a + (n-1) d
So, a10 = -5 + (12-1)(4)
a10 = -5 + 11 (4)
a10 = -5 + 44
a10 = 39
Therefore,the 12th term of the given AP is 39.
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