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If a1,a2….,an in R such that a1+a2+….,+a...

If `a_1,a_2….,a_n in R` such that `a_1+a_2+….,+a_n=1` then

A

`a_1^2`+a_2^2+….,+a_n^2 ge 1/n`

B

`a_1^2` +a_2^2+…,+a_n^2 le 1/n`

C

`a_1^2 +a_2^2….,+a_n^2 ge n`

D

None of the above

Text Solution

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The correct Answer is:
A
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