JEE Mains Model Paper 8

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Question : 8 of 90

Marks: +1, -0

If a,a1,a2...,a2n , b are in AP and a,g1,g2,g3...,g2n b are in GP and h is the HM of a, b then

a1+a2

g1g2n

+

a2+a2n−1

g2g2n−1

+ ... +

an+an+1

gng2n−1

is equal to

h
n
2n
h
h
2n
2n
h+n

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