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0 votes
81 views
in Arithmetic Progression by (25.1k points)
Which term of the AP 64, 60,56,48,……, is 0 ?

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2 Answers

0 votes
by (25.2k points)
Correct Answer - 17th
+1 vote
by (50 points)
Hi..
here is your answer..
a=64 , d= 64-60=4 
we write -4 as it is decreasing
here nth term is given 0
let term be n 
According to the question
a+(n-1)d=0
64+(n-1)×(-4)=0
64-4n+4=0
64+4=4n
68=4n
n=17
hope it solved your problem..

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