Easy Mathematics Quadratic Equations Class 10 Level 33

यदि ((x-4)(x+9)=0) है तो मूल कौन से होंगे?

If ((x-4)(x+9)=0), what are the roots?

Explanation opens after your attempt
Correct Answer

C. (4) और (-9)(4) and (-9)

Step 1

Concept

By the zero product rule, (x-4=0) or (x+9=0). Therefore the roots are (4) and (-9).

Step 2

Why this answer is correct

The correct answer is C. (4) और (-9) / (4) and (-9). By the zero product rule, (x-4=0) or (x+9=0). Therefore the roots are (4) and (-9).

Step 3

Exam Tip

शून्य गुणनफल नियम से (x-4=0) या (x+9=0) होगा। इसलिए मूल (4) और (-9) हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि ((x-4)(x+9)=0) है तो मूल कौन से होंगे? / If ((x-4)(x+9)=0), what are the roots?

Correct Answer: C. (4) और (-9) / (4) and (-9). Explanation: शून्य गुणनफल नियम से (x-4=0) या (x+9=0) होगा। इसलिए मूल (4) और (-9) हैं। / By the zero product rule, (x-4=0) or (x+9=0). Therefore the roots are (4) and (-9).

Which concept should I revise for this Mathematics MCQ?

By the zero product rule, (x-4=0) or (x+9=0). Therefore the roots are (4) and (-9).

What exam hint can help solve this Mathematics question?

शून्य गुणनफल नियम से (x-4=0) या (x+9=0) होगा। इसलिए मूल (4) और (-9) हैं।

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