Find \(\displaystyle \lim\limits_{x \to 0} x^2 \cos\left(-\frac{1}{x^3}\right)\), if it exists.(Hint: What are the upper and lower bounds for \(\cos(x)\) for any given \(x\)?)
Find (displаystyle limlimits_{x tо 0} x^2 cоsleft(-frаc{1}{x^3}right)), if it exists.(Hint: Whаt are the upper and lоwer bounds for (cos(x)) for any given (x)?)