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12 June, 18:21

what are the types of roots of the equation below? x4 - 81=0 Four Real Four complex Two complex and two real

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  1. 12 June, 20:34
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    x=3, x=-3 or x=3i, x=-3i

    two real and two complex

    Step-by-step explanation:

    x^2=9 or x^2=-9

    x=3, x=-3 or x=3i, x=-3i
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