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If the equation $x^2 - m(2x - 8) - 15 = 0$ has equal roots,then $m = ......$
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View SolutionThe value of $\sqrt{42+\sqrt{42+\sqrt{42+\ldots}}}$ is equal to:
The number of integral solutions of $2(x^2 + \frac{1}{x^2}) - 7(x + \frac{1}{x}) + 9 = 0$ for $x \neq 0$ is:
If $1-i$ is a root of the equation $x^2+ax+b=0$ where $a$ and $b$ are real numbers,then $b$ is equal to
The number of values of $k$ for which the system of equations $(k + 1)x + 8y = 4k$ and $kx + (k + 3)y = 3k - 1$ has infinitely many solutions,is
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