If one zero of (p(x)=x^2-2x-2) is (1+\sqrt{3}), what is the other zero?
Answer and explanation
Correct answer: (1-\sqrt{3})
The sum of zeroes is (2), so the other zero is (2-(1+\sqrt{3})=1-\sqrt{3}). With rational coefficients, the conjugate also appears.
Frequently asked questions
What is the correct answer to this question?
(1-\sqrt{3})
Why is this the correct answer?
The sum of zeroes is (2), so the other zero is (2-(1+\sqrt{3})=1-\sqrt{3}). With rational coefficients, the conjugate also appears.
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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