Asked by patric
The difference between the second and fourth terms of an arithmetic sequence is 3. If the product of the first and fourth term is 34, calculate the value of the first term.
Answers
Answered by
Steve
clearly, d = 3/2.
So, if the first term is a,
a(a+3d) = 34
a(a+9/2) = 34
. . .
So, if the first term is a,
a(a+3d) = 34
a(a+9/2) = 34
. . .
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