Mathematics, 03.12.2021 23:00 kevinmarroquin6

If a, b,c, d are in proportion, show that √(3a^2+5c^2)/√(3b^2+5d^2) =a/b.

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If a, b,c, d are in proportion, show that √(3a^2+5c^2)/√(3b^2+5d^2) =a/b....