यदि (p(x)=x-2-10x+19) है, तो इसके शून्यक कौन से हैं?

If (p(x)=x-2-10x+19), what are its zeroes?

Explanation opens after your attempt
Correct Answer

A. \(5+\sqrt{6},5-\sqrt{6}\)

Step 1

Concept

The discriminant is (100-76=24), so the zeroes are \(\frac{10\pm\sqrt{24}}{2}=5\pm\sqrt{6}\). Simplify \(\sqrt{24}=2\sqrt{6}\) in exams.

Step 2

Why this answer is correct

The correct answer is A. \(5+\sqrt{6},5-\sqrt{6}\). The discriminant is (100-76=24), so the zeroes are \(\frac{10\pm\sqrt{24}}{2}=5\pm\sqrt{6}\). Simplify \(\sqrt{24}=2\sqrt{6}\) in exams.

Step 3

Exam Tip

विविक्तकर (100-76=24) है, इसलिए शून्यक \(\frac{10\pm\sqrt{24}}{2}=5\pm\sqrt{6}\) हैं। परीक्षा में \(\sqrt{24}=2\sqrt{6}\) सरल करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=x-2-10x+19) है, तो इसके शून्यक कौन से हैं? / If (p(x)=x-2-10x+19), what are its zeroes?

Correct Answer: A. \(5+\sqrt{6},5-\sqrt{6}\). Explanation: विविक्तकर (100-76=24) है, इसलिए शून्यक \(\frac{10\pm\sqrt{24}}{2}=5\pm\sqrt{6}\) हैं। परीक्षा में \(\sqrt{24}=2\sqrt{6}\) सरल करें। / The discriminant is (100-76=24), so the zeroes are \(\frac{10\pm\sqrt{24}}{2}=5\pm\sqrt{6}\). Simplify \(\sqrt{24}=2\sqrt{6}\) in exams.

Which concept should I revise for this Mathematics MCQ?

The discriminant is (100-76=24), so the zeroes are \(\frac{10\pm\sqrt{24}}{2}=5\pm\sqrt{6}\). Simplify \(\sqrt{24}=2\sqrt{6}\) in exams.

What exam hint can help solve this Mathematics question?

विविक्तकर (100-76=24) है, इसलिए शून्यक \(\frac{10\pm\sqrt{24}}{2}=5\pm\sqrt{6}\) हैं। परीक्षा में \(\sqrt{24}=2\sqrt{6}\) सरल करें।