Class 11Mathematics4-2.Quadratic Equations and InequationsSolution of quadratic equations and Nature of roots
EasyIf $x$ is real,then the minimum value of ${x^2} - 8x + 17$ is
- A$-1$
- B$0$
- C$1$
- D$2$
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The number of roots of the equation $|x|^2 - 7|x| + 12 = 0$ is
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View SolutionIf for a positive integer $n$,the quadratic equation $x(x + 1) + (x + 1)(x + 2) + \dots + (x + n - 1)(x + n) = 10n$ has two consecutive integral solutions,then $n$ is equal to:
DifficultJEE MAIN 2017
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