\(4x^2-19x-5=0\) के मूल क्या हैं?

What are the roots of \(4x^2-19x-5=0\)?

Explanation opens after your attempt
Correct Answer

A. \(x=5,-\frac{1}{4}\)

Step 1

Concept

(4x-2-19x-5=(4x+1)(x-5)), so the roots are (5) and \(-\frac{1}{4}\). In exams, reverse the signs from linear factors to write roots.

Step 2

Why this answer is correct

The correct answer is A. \(x=5,-\frac{1}{4}\). (4x-2-19x-5=(4x+1)(x-5)), so the roots are (5) and \(-\frac{1}{4}\). In exams, reverse the signs from linear factors to write roots.

Step 3

Exam Tip

(4x-2-19x-5=(4x+1)(x-5)), इसलिए मूल (5) और \(-\frac{1}{4}\) हैं। परीक्षा में रैखिक गुणनखंडों के चिन्ह उलटकर मूल लिखें।

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Mathematics Answer, Explanation and Revision Hints

\(4x^2-19x-5=0\) के मूल क्या हैं? / What are the roots of \(4x^2-19x-5=0\)?

Correct Answer: A. \(x=5,-\frac{1}{4}\). Explanation: (4x-2-19x-5=(4x+1)(x-5)), इसलिए मूल (5) और \(-\frac{1}{4}\) हैं। परीक्षा में रैखिक गुणनखंडों के चिन्ह उलटकर मूल लिखें। / (4x-2-19x-5=(4x+1)(x-5)), so the roots are (5) and \(-\frac{1}{4}\). In exams, reverse the signs from linear factors to write roots.

Which concept should I revise for this Mathematics MCQ?

(4x-2-19x-5=(4x+1)(x-5)), so the roots are (5) and \(-\frac{1}{4}\). In exams, reverse the signs from linear factors to write roots.

What exam hint can help solve this Mathematics question?

(4x-2-19x-5=(4x+1)(x-5)), इसलिए मूल (5) और \(-\frac{1}{4}\) हैं। परीक्षा में रैखिक गुणनखंडों के चिन्ह उलटकर मूल लिखें।