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If a1,a2,.....are in HP and f(k)=sigma a r ( where r runs from 1 to n) - a k then a 1 /f(1),a 2 /f(2),......a n /f(n) are in ......(AP ,GP OR HP)??

If a1,a2,.....are in HP and


f(k)=sigma ar( where r runs from 1 to n) - ak


then a1/f(1),a2/f(2),......an/f(n) are in ......(AP ,GP OR HP)??

Grade:

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

a1,a2,a3 are in HP

f(1)=ar-a1

f(2)=ar-a2

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So on..

We see that a1/f1,a2/f2...... are in AP..

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Sagar Singh

B.Tech, IIT Delhi

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