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Mathematics, 20.05.2021 22:00 arnold2619

1) How can polynomials be classified based on the number of terms and on the degree of the terms? 2) When a complex number is in the denominator, why is it necessary to multiply by the conjugate?

3) How do extraneous solutions arise from radical equations?

(I don't mind if only 3 is answered, or 2 is answered. Though if all 3 is answered that'd be greatly appreciated, these are the only questions I don't understand)

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