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While completing the square, which term must be added to (x^2-22x)?
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Answer and explanation
Correct answer: (121)
Half of (-22) is (-11), and ((-11)^2=121). In exams, the square of half the coefficient is always positive.
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What is the correct answer to this question?
(121)
Why is this the correct answer?
Half of (-22) is (-11), and ((-11)^2=121). In exams, the square of half the coefficient is always positive.
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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