Compute
(a) lim x → 0 x 3 − 9 − x {\displaystyle \lim _{x\rightarrow 0}{\frac {x}{3-{\sqrt {9-x}}}}}
(b) lim x → π sin x π − x {\displaystyle \lim _{x\rightarrow \pi }{\frac {\sin x}{\pi -x}}}
(c) lim x → − 2 x 2 − x − 6 x 3 + 8 {\displaystyle \lim _{x\rightarrow -2}{\frac {x^{2}-x-6}{x^{3}+8}}}
Solution
Detailed Solution
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