Class 11Mathematics4-2.Quadratic Equations and InequationsSolution of quadratic equations and Nature of roots
EasyIf $x$ is real,then the value of $x^2 - 6x + 13$ will not be less than
- A$4$
- B$6$
- C$7$
- D$8$
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Similar Questions
Let $t$ be a real number such that $t^2 = at + b$ for some positive integers $a$ and $b$. Then,for any choice of positive integers $a$ and $b$,$t^3$ is never equal to:
If $3$ is a root of $x^2+kx-24=0$,then it is also a root of which of the following equations?
The equation whose roots are $\frac{1}{3 + \sqrt{2}}$ and $\frac{1}{3 - \sqrt{2}}$ is
Easy
View SolutionThe sum of the fourth powers of the roots of the equation $16x^2-10x+1=0$ is
The number of real roots of the equation $e^{4x} - e^{3x} - 4e^{2x} - e^{x} + 1 = 0$ is equal to $.....$
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