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Question Expert Mathematics Polynomials Irrational numbers and real numbers Class 10 Level 26

यदि \(\alpha\) और \(\beta\) किसी द्विघात बहुपद के शून्यक हैं, जहां \(\alpha+\beta=8\) और \(\alpha\beta=11\), तो संभावित शून्यक कौन से हैं?

If \(\alpha\) and \(\beta\) are zeroes of a quadratic polynomial where \(\alpha+\beta=8\) and \(\alpha\beta=11\), which are the possible zeroes?

Explanation opens after your attempt
Correct Answer

A. \(4+\sqrt{5}\) और \(4-\sqrt{5}\)\(4+\sqrt{5}\) and \(4-\sqrt{5}\)

Step 1

Concept

The sum of \(4+\sqrt{5}\) and \(4-\sqrt{5}\) is (8), and the product is (16-5=11). In exams check the sum and product of options.

Step 2

Why this answer is correct

The correct answer is A. \(4+\sqrt{5}\) और \(4-\sqrt{5}\) / \(4+\sqrt{5}\) and \(4-\sqrt{5}\). The sum of \(4+\sqrt{5}\) and \(4-\sqrt{5}\) is (8), and the product is (16-5=11). In exams check the sum and product of options.

Step 3

Exam Tip

\(4+\sqrt{5}\) और \(4-\sqrt{5}\) का योग (8) और गुणनफल (16-5=11) है। परीक्षा में विकल्पों का योग और गुणनफल जांचें।

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