\(x^2-9x+20\) 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?
Explanation opens after your attempt
B. (4) और (5)(4) and (5)
Concept
Since (x-2-9x+20=(x-4)(x-5)), (x=4) or (x=5). Exam tip: find zero values from factors.
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.
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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