if 2 + sqrt(3) is a polynomial root, name another root of the polynomial, and explain how you know it must also be a root


You are watching: If 2+sqrt 3 is a polynomial root

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Geekydude121According to question root 1 = 2 + root 3and as we knowthat two root of an equation are b + root 4ac / 2a and b - root 4acThusAnother rootRoot 2 = 2 - root 3
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SerenaBochenek

Answer:

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Step-by-step explanation:

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we have to find the another root of the polynomial.

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which is the above polynomial

By quadratic formula

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which are required roots.

or else we can say that irrational roots will always come in conjugate pairs.

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