Concept-wise Practice

roots-to-equation MCQ Questions for Class 10

roots-to-equation se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

3 questions tagged with roots-to-equation.

यदि \(x^2+px+42=0\) के मूल (-6) और (-7) हैं, तो (p) क्या है?

If the roots of \(x^2+px+42=0\) are (-6) and (-7), what is (p)?

Explanation opens after your attempt
Correct Answer

A. (13)

Step 1

Concept

((x+6)(x+7)=x-2+13x+42), so (p=13). In exams, form factors from given roots.

Step 2

Why this answer is correct

The correct answer is A. (13). ((x+6)(x+7)=x-2+13x+42), so (p=13). In exams, form factors from given roots.

Step 3

Exam Tip

((x+6)(x+7)=x-2+13x+42), इसलिए (p=13) है। परीक्षा में दिए मूलों से गुणनखंड बनाएं।

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यदि \(x^2+px+20=0\) के मूल (-4) और (-5) हैं, तो (p) क्या है?

If the roots of \(x^2+px+20=0\) are (-4) and (-5), what is (p)?

Explanation opens after your attempt
Correct Answer

A. (9)

Step 1

Concept

((x+4)(x+5)=x-2+9x+20), so (p=9). In exams, form factors from given roots.

Step 2

Why this answer is correct

The correct answer is A. (9). ((x+4)(x+5)=x-2+9x+20), so (p=9). In exams, form factors from given roots.

Step 3

Exam Tip

((x+4)(x+5)=x-2+9x+20), इसलिए (p=9) है। परीक्षा में दिए मूलों से गुणनखंड बनाएं।

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AI Video Prompt 16:9 + 9:16

Is question ka premium MCQ video banane ke liye ready prompt. Copy karke Sora, Runway, Canva AI, CapCut AI, ChatGPT video workflow ya editor me use karein.

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यदि \(x^2+px+12=0\) के मूल (-3) और (-4) हैं, तो (p) क्या है?

If the roots of \(x^2+px+12=0\) are (-3) and (-4), what is (p)?

Explanation opens after your attempt
Correct Answer

A. (7)

Step 1

Concept

((x+3)(x+4)=x-2+7x+12), so (p=7). In exams, form factors from given roots.

Step 2

Why this answer is correct

The correct answer is A. (7). ((x+3)(x+4)=x-2+7x+12), so (p=7). In exams, form factors from given roots.

Step 3

Exam Tip

((x+3)(x+4)=x-2+7x+12), इसलिए (p=7) है। परीक्षा में दिए हुए मूलों से गुणनखंड बनाएं।

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AI Video Prompt 16:9 + 9:16

Is question ka premium MCQ video banane ke liye ready prompt. Copy karke Sora, Runway, Canva AI, CapCut AI, ChatGPT video workflow ya editor me use karein.

Open Question
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