Evaluate the following limits. If needed, enter oo for $\displaystyle \infty$ and -oo for $\displaystyle -\infty$.

(a) $\displaystyle \lim_{{{x}\rightarrow\infty}}{\frac{{{\left({6}-{x}\right)}{\left({6}+{6}{x}\right)}}}{{{\left({3}-{10}{x}\right)}{\left({11}+{11}{x}\right)}}}}=$
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(b) $\displaystyle \lim_{{{x}\rightarrow-\infty}}{\frac{{{\left({6}-{x}\right)}{\left({6}+{6}{x}\right)}}}{{{\left({3}-{10}{x}\right)}{\left({11}+{11}{x}\right)}}}}=$
Preview Question 6 Part 2 of 2