Вычислите \(-\frac{10}{11}\cdot(-\frac{11}{12})\cdot(-\frac{12}{13})\cdot(-\frac{13}{14})\cdot(-\frac{14}{15})\) .
\(\frac{2}{3}\)
\(-1\)
\(-\frac{2}{3}\)
\(-\frac{12}{13}\)