\(x^2-9x+20\) के लिए (x) के किन दो मानों पर व्यंजक शून्य होगा?

For \(x^2-9x+20\), at which two values of (x) will the expression be zero?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (4) और (5)(4) and (5)

Step 1

Concept

Since (x-2-9x+20=(x-4)(x-5)), (x=4) or (x=5). Exam tip: find zero values from factors.

Step 2

Why this answer is correct

The correct answer is B. (4) और (5) / (4) and (5). Since (x-2-9x+20=(x-4)(x-5)), (x=4) or (x=5). Exam tip: find zero values from factors.

Step 3

Exam Tip

(x-2-9x+20=(x-4)(x-5)) है इसलिए (x=4) या (x=5)। परीक्षा में गुणनखंडों से शून्य मान निकालें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2-9x+20\) के लिए (x) के किन दो मानों पर व्यंजक शून्य होगा? / For \(x^2-9x+20\), at which two values of (x) will the expression be zero?

Correct Answer: B. (4) और (5) / (4) and (5). Explanation: (x-2-9x+20=(x-4)(x-5)) है इसलिए (x=4) या (x=5)। परीक्षा में गुणनखंडों से शून्य मान निकालें। / Since (x-2-9x+20=(x-4)(x-5)), (x=4) or (x=5). Exam tip: find zero values from factors.

Which concept should I revise for this Mathematics MCQ?

Since (x-2-9x+20=(x-4)(x-5)), (x=4) or (x=5). Exam tip: find zero values from factors.

What exam hint can help solve this Mathematics question?

(x-2-9x+20=(x-4)(x-5)) है इसलिए (x=4) या (x=5)। परीक्षा में गुणनखंडों से शून्य मान निकालें।