Level:
Project ID:
9000086710
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Identify the equation which arises from the following equation using an optimal
substitution.
\[
2\mathop{\mathrm{tg}}\nolimits x + 3\mathop{\mathrm{cotg}}\nolimits x = 5
\]
\(2t^{2} - 5t = -3\)
\(2t^{2} + 3t - 5 = 0\)
\(2t = \frac{3}
{5}\)
\(2t + 3t = 5\)