समीकरण \(4x^2+4x+5=0\) के लिए सही प्रकृति कौन सी है?
Which is the correct nature for \(4x^2+4x+5=0\)?
Explanation opens after your attempt
Correct Answer
A. वास्तविक मूल नहींno real roots
Concept
(D=42-4(4)(5)=-64<0). Therefore it has no real roots.
Why this answer is correct
The correct answer is A. वास्तविक मूल नहीं / no real roots. (D=42-4(4)(5)=-64<0). Therefore it has no real roots.
Exam Tip
(D=42-4(4)(5)=-64<0) है। इसलिए इसके वास्तविक मूल नहीं हैं।
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