Mathematics, 27.06.2019 17:00 nauticatyson9

If ad ? bc, then prove that the equation (a 2 + b 2 ) x 2 + 2 (ac + bd) x + (c 2 + d 2 ) = 0 has no real roots

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If ad ? bc, then prove that the equation (a 2 + b 2 ) x 2 + 2 (ac + bd) x + (c 2 + d 2 ) = 0 has no...

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