Asked by emmanuel
The first three terms of an AP are (x+2),(2x-5) and (4x+1).Find the value of x and the 7th term
Answers
Answered by
oobleck
(2x-5)-(x+2) = (4x+1)-(2x-5)
x = -13, so d = -20
solve for x, and then the 7th term is
a7 = a3 + 4d = _____
x = -13, so d = -20
solve for x, and then the 7th term is
a7 = a3 + 4d = _____
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