which term of the Ap 171.167.163.is its first negative term
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Answer:
171,167,163....
a=171,d=167-171=-4
an<0
a+(n-1)d<0
171+(n-1)-4<0
171-4n+4<0
175<4n
175/4<n
43.75<n
therefore first negative term is 43.75
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