The first term of the arithmetic sequence is 8, and the third term is 15. What is the fourth term?
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Answered by
0
Answer:
a=8
a+2d=15 =>d=7/2
hence a+3d=8+3(7/2) =8+21/2=37/2=18.5
Answered by
7
Answer:
given a= 8
and a+2d=15
on subtracting 1st from 2nd we get d= 7/2
therefore 4th term = a+3d= 37/2
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