Easy Mathematics Quadratic Equations Class 10 Level 31

किस समीकरण के मूल (4) और (-1) हैं?

Which equation has roots (4) and (-1)?

Explanation opens after your attempt
Correct Answer

A. \(x^2-3x-4=0\)

Step 1

Concept

With roots (4) and (-1) we get ((x-4)(x+1)=0). Expanding it gives \(x^2-3x-4=0\).

Step 2

Why this answer is correct

The correct answer is A. \(x^2-3x-4=0\). With roots (4) and (-1) we get ((x-4)(x+1)=0). Expanding it gives \(x^2-3x-4=0\).

Step 3

Exam Tip

मूल (4) और (-1) होने पर ((x-4)(x+1)=0) मिलता है। इसे खोलने पर \(x^2-3x-4=0\) है।

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Mathematics Answer, Explanation and Revision Hints

किस समीकरण के मूल (4) और (-1) हैं? / Which equation has roots (4) and (-1)?

Correct Answer: A. \(x^2-3x-4=0\). Explanation: मूल (4) और (-1) होने पर ((x-4)(x+1)=0) मिलता है। इसे खोलने पर \(x^2-3x-4=0\) है। / With roots (4) and (-1) we get ((x-4)(x+1)=0). Expanding it gives \(x^2-3x-4=0\).

Which concept should I revise for this Mathematics MCQ?

With roots (4) and (-1) we get ((x-4)(x+1)=0). Expanding it gives \(x^2-3x-4=0\).

What exam hint can help solve this Mathematics question?

मूल (4) और (-1) होने पर ((x-4)(x+1)=0) मिलता है। इसे खोलने पर \(x^2-3x-4=0\) है।

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