Question

if
$a + \sqrt{b}$
is one of the roots of a quadratic equation, then the
other root is

pls answer the question I will mark them as brainliest answer fast

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Answer 1

Answer:

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Other root will be $a - \sqrt{b}$ because irrational roots occur in conjugate.

Irrational roots of this specific type of polynomial occur in conjugate pairs; that is, when given two numbers, a and b, where a is rational, b is not a perfect square, and a plus the square root of b is a root for a given polynomial, then a minus the square root of b is also root.