Expert Mathematics Polynomials Class 10 Level 25

किस मान पर \(x^2-6x+k\) के शून्यक वास्तविक और अपरिमेय होंगे?

For which value of (k) will \(x^2-6x+k\) have real and irrational zeroes?

Explanation opens after your attempt
Correct Answer

C. (k=10)

Step 1

Concept

Here (D=36-4k). For (k=10), (D=36-40=-4), so this is not correct.

Step 2

Why this answer is correct

The correct answer is C. (k=10). Here (D=36-4k). For (k=10), (D=36-40=-4), so this is not correct.

Step 3

Exam Tip

यहाँ (D=36-4k) है। (k=10) पर (D=-4) नहीं बल्कि (D=36-40=-4), इसलिए यह सही नहीं है।

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Mathematics Answer, Explanation and Revision Hints

किस मान पर \(x^2-6x+k\) के शून्यक वास्तविक और अपरिमेय होंगे? / For which value of (k) will \(x^2-6x+k\) have real and irrational zeroes?

Correct Answer: C. (k=10). Explanation: यहाँ (D=36-4k) है। (k=10) पर (D=-4) नहीं बल्कि (D=36-40=-4), इसलिए यह सही नहीं है। / Here (D=36-4k). For (k=10), (D=36-40=-4), so this is not correct.

Which concept should I revise for this Mathematics MCQ?

Here (D=36-4k). For (k=10), (D=36-40=-4), so this is not correct.

What exam hint can help solve this Mathematics question?

यहाँ (D=36-4k) है। (k=10) पर (D=-4) नहीं बल्कि (D=36-40=-4), इसलिए यह सही नहीं है।

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