An AP consists of 50term of which 3rd term is 12 and last term is 188 and find the 39th term
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Answer:
146.81
Step-by-step explanation:
a3=12 a50=188
a+2d=12 a+49d=188
a+49d=188
-a+ 2d= 12
= 47d=176
d=176/47
a+2(176/47)=12
a=12-7.48
a=4.52
a39= a+38d
=4.52+38(176/47)
=4.52+142.29
=146.81
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