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Class 10 Mathematics Medium Mcq English Medium

Which equation has roots 10 and 12?

Question
Which equation has roots 10 and 12?
x² + 22x - 120
x² - 22x + 120
x² + 22x + 120
x² - 22x - 120
Answer
x² - 22x + 120
Detailed Explanation
A monic quadratic with roots r1 and r2 is x²-(r1+r2)x+r1r2. — Examisthan.com
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