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76.Let p be an odd prime. Prove that if Ord, (a) = his even, then a/2 = -1 mod p. 77.let p be an odd prime. Prove that if Ord

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12 p is an odd prime , it Ord (as= h => a = 1 mod P this even = 10 ) ( a hl2_1) = 0 mod p = ah/241=0 mode (: ahl, Eo molp 7 a

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