यदि (p(x)=x-2-9), तो (p(x)) के शून्यक कौन-से हैं?
If (p(x)=x-2-9), what are the zeroes of (p(x))?
Explanation opens after your attempt
A. (3,-3)
Concept
(x-2-9=(x-3)(x+3)), so the zeroes are (3) and (-3). Identify difference of squares quickly.
Why this answer is correct
The correct answer is A. (3,-3). (x-2-9=(x-3)(x+3)), so the zeroes are (3) and (-3). Identify difference of squares quickly.
Exam Tip
(x-2-9=(x-3)(x+3)), इसलिए शून्यक (3) और (-3) हैं। वर्गों के अंतर को तुरंत पहचानें।
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