NIMCET 2022 Question Paper with solutions

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Question : 9 of 120

Marks: +1, -0

If

a_1, a_2, . . . . . . a_n

are any real number and

n

is any positive integer, then

${\n} ∑↙{ {\i}=1}↖{ {\n}} {\a}_{ {\i}}^2< (∑↙{ {\i}=1}↖{ {\n}} {\a}_{ {\i}})^2$
$n ∑↙{ {\i}=1}↖{ {\n}} {\a}_{ {\i}}^2 ≥(∑↙{ {\i}=1}↖{ {\n}} {\a}_{ {\i}})^2$
$∑↙{ {\i}=1}↖{ {\n}} {\a}_{ {\i}}^2 ≥(∑↙{ {\i}=1}↖{ {\n}} {\a}_{ {\i}})^2$
None of these

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