\(x^2-12x+20\) को पूर्ण वर्ग रूप में लिखें।
Write \(x^2-12x+20\) in completed square form.
Explanation opens after your attempt
A. ((x-6)2-16)सही रूप
Concept
(x-2-12x+36=(x-6)2) and (20=36-16). In exams take half of the middle coefficient and form its square.
Why this answer is correct
The correct answer is A. ((x-6)2-16) / सही रूप. (x-2-12x+36=(x-6)2) and (20=36-16). In exams take half of the middle coefficient and form its square.
Exam Tip
(x-2-12x+36=(x-6)2) और (20=36-16) है। परीक्षा में मध्य गुणांक का आधा लेकर उसका वर्ग बनाएं।
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