angelkris1311 angelkris1311

26-06-2020
Mathematics

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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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qiyuliurain qiyuliurain

26-06-2020

Answer:

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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