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x*sin(180/x)

Limit of the function x*sin(180/x)

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The solution

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          /     /180\\
   lim    |x*sin|---||
x->129600+\     \ x //
$$\lim_{x \to 129600^+}\left(x \sin{\left(\frac{180}{x} \right)}\right)$$
Limit(x*sin(180/x), x, 129600)
Lopital's rule
There is no sense to apply Lopital's rule to this function since there is no indeterminateness of 0/0 or oo/oo type
The graph
One‐sided limits [src]
          /     /180\\
   lim    |x*sin|---||
x->129600+\     \ x //
$$\lim_{x \to 129600^+}\left(x \sin{\left(\frac{180}{x} \right)}\right)$$
129600*sin(1/720)
$$129600 \sin{\left(\frac{1}{720} \right)}$$
= 179.999942129635
          /     /180\\
   lim    |x*sin|---||
x->129600-\     \ x //
$$\lim_{x \to 129600^-}\left(x \sin{\left(\frac{180}{x} \right)}\right)$$
129600*sin(1/720)
$$129600 \sin{\left(\frac{1}{720} \right)}$$
= 179.999942129635
= 179.999942129635
Rapid solution [src]
129600*sin(1/720)
$$129600 \sin{\left(\frac{1}{720} \right)}$$
Other limits x→0, -oo, +oo, 1
$$\lim_{x \to 129600^-}\left(x \sin{\left(\frac{180}{x} \right)}\right) = 129600 \sin{\left(\frac{1}{720} \right)}$$
More at x→129600 from the left
$$\lim_{x \to 129600^+}\left(x \sin{\left(\frac{180}{x} \right)}\right) = 129600 \sin{\left(\frac{1}{720} \right)}$$
$$\lim_{x \to \infty}\left(x \sin{\left(\frac{180}{x} \right)}\right) = 180$$
More at x→oo
$$\lim_{x \to 0^-}\left(x \sin{\left(\frac{180}{x} \right)}\right) = 0$$
More at x→0 from the left
$$\lim_{x \to 0^+}\left(x \sin{\left(\frac{180}{x} \right)}\right) = 0$$
More at x→0 from the right
$$\lim_{x \to 1^-}\left(x \sin{\left(\frac{180}{x} \right)}\right) = \sin{\left(180 \right)}$$
More at x→1 from the left
$$\lim_{x \to 1^+}\left(x \sin{\left(\frac{180}{x} \right)}\right) = \sin{\left(180 \right)}$$
More at x→1 from the right
$$\lim_{x \to -\infty}\left(x \sin{\left(\frac{180}{x} \right)}\right) = 180$$
More at x→-oo
Numerical answer [src]
179.999942129635
179.999942129635
The graph
Limit of the function x*sin(180/x)