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If the roots of the equation ix^(2)-(b^(...

If the roots of the equation `ix^(2)-(b^(2)+c^(2))x+(c^(2)+d^(2))^(2)=0` be in the ratio `3:4` , show that `((b^(2)+c^(2))^(2))/((c^(2)+d^(2))^(2))=(49i)/(12)`

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