r =8. If 6 times the 6th term of an A.P is equal to 11 times its 11th – InterviewSolution

1.

r =8. If 6 times the 6th term of an A.P is equal to 11 times its 11th term, then find its 17th term.

Answer»

First term=a, common difference=d6(a+5d)=11(a+10d)6a+30d=11a+110d5a+80d=0a+16d=0

Now, 17th term is a+16d=0

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