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What roots are obtained for \(9x^2-30x+8=0\) by completing square method?
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Answer and explanation
Correct answer: \(x=\frac{5\pm\sqrt{17}}{3}\)
Since \(\left(x-\frac{5}{3}\right)^2=\frac{17}{9}\), \(x=\frac{5\pm\sqrt{17}}{3}\). In exams, write the square root with the denominator correctly.
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What is the correct answer to this question?
\(x=\frac{5\pm\sqrt{17}}{3}\)
Why is this the correct answer?
Since \(\left(x-\frac{5}{3}\right)^2=\frac{17}{9}\), \(x=\frac{5\pm\sqrt{17}}{3}\). In exams, write the square root with the denominator correctly.
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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