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Which completed square form is correct for (2x^2-4x+5=0)?
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Answer and explanation
Correct answer: (2(x-1)^2+3=0)
(2x^2-4x+5=2(x-1)^2+3), so it cannot be zero for real (x). In exams, completed square form also shows no real roots.
Frequently asked questions
What is the correct answer to this question?
(2(x-1)^2+3=0)
Why is this the correct answer?
(2x^2-4x+5=2(x-1)^2+3), so it cannot be zero for real (x). In exams, completed square form also shows no real roots.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.
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