Question

Find zeros of x3+5x2-2x-6 if two of its zeros are ± √2.

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Gud afternoon ❤️❤️❤️. ​

Answer 1

Explanation:

x2 - 2 is a factor of f(x). Now, we divide x3 + 3x2 − 2x − 6 by g(x) = x2 - 2 to find the zero of f(x). Hence, the zeros of the given polynomials are `-sqrt2`, `+sqrt2` and -3

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