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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

Timothy Norman

in Mathematics

1 answer

1 answer

James Washington on December 6, 2018

Answer:The other root of the polynomial is step-by-Step explanation:let a is a root of the polynomial.By subtracting both sides by 2, we getSquaring both sides, getOn of problems that we have, Using the quadratic formula:If one of the roots of the polynomial ; then the other root for the quadratic formula is or we can say that irrational roots are always in conjugate pairs. Sso, if it is a root, then is also a root.

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