If \( \lim_{x\to 2}\frac{\sin(x^3-5x^2+ax+b)}{(\sqrt{x-1}-1)\log_e(x-1)}=m \), then \( a+b+m \) is equal to:
\( 5 \)
\( 6 \)
\( 8 \)
\( 10 \)