JEE Advanced 2020 Full Test 2 Paper 2

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Question : 44 of 54

Marks: +1, -0

If

∞

∑

i=0

∞

∑

j=0

‌

1

aiaj

=‌

λa2

(a−1)2(a+1)

where a>1, then possible values of λ may be:

1
2
3
4

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