समीकरण \(x^2-6x+9=0\) के लिए कौन सा कथन सही है?
Which statement is correct for \(x^2-6x+9=0\)?
Explanation opens after your attempt
Correct Answer
A. दो समान वास्तविक मूल हैंit has two equal real roots
Concept
(D=(-6)2-4(1)(9)=0). Therefore it has two equal real roots.
Why this answer is correct
The correct answer is A. दो समान वास्तविक मूल हैं / it has two equal real roots. (D=(-6)2-4(1)(9)=0). Therefore it has two equal real roots.
Exam Tip
(D=(-6)2-4(1)(9)=0) है। इसलिए दो समान वास्तविक मूल हैं।
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