यदि (p(x)=x-2-6x+n) के शून्यक \(3+\sqrt{m}\) और \(3-\sqrt{m}\) हैं तथा (n=5), तो (m) क्या है?
If zeroes of (p(x)=x-2-6x+n) are \(3+\sqrt{m}\) and \(3-\sqrt{m}\), and (n=5), what is (m)?
Explanation opens after your attempt
A. (4)
Concept
The product is (9-m), and it equals (n=5). Thus (9-m=5), so (m=4).
Why this answer is correct
The correct answer is A. (4). The product is (9-m), and it equals (n=5). Thus (9-m=5), so (m=4).
Exam Tip
गुणनफल (9-m) है और वह (n=5) के बराबर है। अतः (9-m=5), इसलिए (m=4)।
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