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6 October, 20:29

Write a quadratic equation whose solutions are 7i and - 7i

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  1. 6 October, 21:52
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    Because - 7i and 7i are the solutions to the quadratic equation, you can first write it in factored form (x-7i) (x+7i). The you multiply this out and get x^{2} + 49.
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