\(5x^2-10x+13=0\) में पूर्ण वर्ग रूप कौनसा सही है?
Which completed square form is correct for \(5x^2-10x+13=0\)?
Explanation opens after your attempt
Correct Answer
A. (5(x-1)2+8=0)
Concept
(5x-2-10x+13=5(x-1)2+8), so it cannot be zero for real (x). In exams, completed square form also shows the nature of roots.
Why this answer is correct
The correct answer is A. (5(x-1)2+8=0). (5x-2-10x+13=5(x-1)2+8), so it cannot be zero for real (x). In exams, completed square form also shows the nature of roots.
Exam Tip
(5x-2-10x+13=5(x-1)2+8), इसलिए यह वास्तविक (x) के लिए शून्य नहीं हो सकता। परीक्षा में पूर्ण वर्ग रूप से भी मूलों की प्रकृति दिखती है।
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