\(3x^2-6x+7=0\) में पूर्ण वर्ग रूप कौनसा सही है?
Which completed square form is correct for \(3x^2-6x+7=0\)?
Explanation opens after your attempt
Correct Answer
A. (3(x-1)2+4=0)
Concept
(3x-2-6x+7=3(x-1)2+4), so it cannot be zero for real (x). In exams, completed square form also shows the nature of real roots.
Why this answer is correct
The correct answer is A. (3(x-1)2+4=0). (3x-2-6x+7=3(x-1)2+4), so it cannot be zero for real (x). In exams, completed square form also shows the nature of real roots.
Exam Tip
(3x-2-6x+7=3(x-1)2+4), इसलिए यह वास्तविक (x) के लिए शून्य नहीं हो सकता। परीक्षा में पूर्ण वर्ग रूप से भी वास्तविक मूलों की प्रकृति दिखती है।
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