Asked by Dallas
the fourth terms of an AP is 37 and the 6th terms is 12 more than the fourth term.Find the first and seventh terms.
Answers
Answered by
Steve
clearly d=6, since a6 = a4+12 = a4+2d
so, since a4=a+3d=a+18=37, a=19
a1=a=19
a7=a+6d=19+6*6=44
so, since a4=a+3d=a+18=37, a=19
a1=a=19
a7=a+6d=19+6*6=44
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