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15 June, 19:56

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. 15 June, 20:15
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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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