Level:
Project ID:
9000022804
Accepted:
1
Clonable:
0
Easy:
0
Establish the values of the real parameter
\(t\) which
ensure that the following expression is nonpositive.
\[
\frac{2}
{2t^{2} + t - 1}
\]
\(\left (-1; \frac{1}
{2}\right )\)
\(\left [ -\frac{1}
{2};1\right ] \)
\(\left [ -1; \frac{1}
{2}\right ] \)
\(\left (-\frac{1}
{2};1\right )\)