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
Correct Answer

A. (4)

Step 1

Concept

The product is (9-m), and it equals (n=5). Thus (9-m=5), so (m=4).

Step 2

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).

Step 3

Exam Tip

गुणनफल (9-m) है और वह (n=5) के बराबर है। अतः (9-m=5), इसलिए (m=4)।

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Mathematics Answer, Explanation and Revision Hints

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)?

Correct Answer: A. (4). Explanation: गुणनफल (9-m) है और वह (n=5) के बराबर है। अतः (9-m=5), इसलिए (m=4)। / The product is (9-m), and it equals (n=5). Thus (9-m=5), so (m=4).

Which concept should I revise for this Mathematics MCQ?

The product is (9-m), and it equals (n=5). Thus (9-m=5), so (m=4).

What exam hint can help solve this Mathematics question?

गुणनफल (9-m) है और वह (n=5) के बराबर है। अतः (9-m=5), इसलिए (m=4)।