If 2 + the square root of 3 is a polynomial root, name another root of the polynomial and how you know it's a root.

Question

Mathematics

Danna Church

14 January, 06:54

If 2 + the square root of 3 is a polynomial root, name another root of the polynomial and how you know it's a root.

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Mcmillan · Answer 1

2 - sqrt3

When you're taking the sqrt of a number you get two solutions a positive and a negative for example, 2*2=4 and - 2*-2=4, so sqrt4 would equal - 2 & 2