1.
If the domain of the function sin1(3x222x19)+loge(3x28x+5x23x10)\sin^{-1}\left(\frac{3x-22}{2x-19}\right) + \log_e\left(\frac{3x^2-8x+5}{x^2-3x-10}\right) is (α,β](\alpha, \beta], then 3α+10β3\alpha + 10\beta is equal to: