Question

The set of values of k for which the exactly one root
of the equation x2 + 2kx - 1 = 0 lie in the interval (1,3)
is​

Answer 1

Answer:

Why is it said that the "knowledge is nothing without the presence of mind?"

Answer 2

Answer:

$2 { | \\ \\ \\ \\ \\ \\ \frac{ {.5 { \frac{ \frac{ \frac{?}{?} }{?} }{?} }^{?} \times \frac{?}{?} }^{?} }{?} | \times \frac{?}{?} \times \frac{?}{?} }^{?}$

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