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Mathematics, 20.05.2021 09:10, carlosluiscontrerasp
If a, b, c and d are in continued proportion, then prove that, (a^2+b^2) (b^2+ d^2) = (ab + cd)^2
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Answers: 3
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If a, b, c and d are in continued proportion, then prove that, (a^2+b^2) (b^2+ d^2) = (ab + cd)^2...
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