JEE Advanced 2020 Full Test 4 Paper 1

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Question : 49 of 54

Marks: +1, -0

Let a1,a2,a3....,a4001 are in A.P such that ‌

1

a1a2

+‌

1

a2a3

+...+‌

1

a4000a4001

=10 and a2+a4000=50 then a1−a4001| is equal to

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