Math, asked by saranyanandakumar25, 11 months ago

if a1,a2,...,an are in A.P,then prove that 1/(a1.an)+1/(a2.an-1)+....+1/(an.a1)=2/(a1+an)(1/a1+.....+1/an)

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Answered by styaarthgiri1200

1

Answer:

no Answer is 1 8 0 hai...........

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