Quadratic Residues, Legendre's symbol and Proof of Euler's Criterion in Number Theory.

Quadratic Residues, Legendre's symbol and Proof of Euler's Criterion in Number Theory, Let p be an odd prime and for all n,we have (n/p)=n^((p-1)/2) (mod p).

[@easymathsolutions7666]

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[@ganeshk9788]

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[@ganeshk9788]

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[@anandhual5796]

If n congruent 0(modp) then (n/p)=0

[@ThahirafebinAK]

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[@lifecrayonzz3427]

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[@meenasuresh1254]

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[@achrafhmidi1436]

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[@anshumanvishwakarma9220]

Very easy and very clear explanation,thanku sir🙏

[@user-ru5ef7vq9h]

Sir how can we calculate quadratic residues pls explain any formula is there for finding residues

[@arabhianil7999]

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