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Subjects
Class 10MathematicsPolynomialsIrrational numbers and real numbersExpertLevel 25
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If (p(x)=x^2-(\sqrt{2}+\sqrt{8})x+4), what is the sum of its zeroes?

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Answer and explanation

Correct answer: (3\sqrt{2})

The sum is (\sqrt{2}+\sqrt{8}=\sqrt{2}+2\sqrt{2}=3\sqrt{2}). Simplify radicals before giving the final answer.

Related tags

Sum-Of-ZeroesRadical-SimplificationIrrational

Frequently asked questions

What is the correct answer to this question?

(3\sqrt{2})

Why is this the correct answer?

The sum is (\sqrt{2}+\sqrt{8}=\sqrt{2}+2\sqrt{2}=3\sqrt{2}). Simplify radicals before giving the final answer.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.

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  6. 6What type of number is \(\sqrt{49}\)?
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