======T6======
Nalezněte body nespojitosti a určete jejich druh:
=====75.=====
\( f(x) = \frac{x}{(1 + x)^2} \)
[[wa> f(x) = x/(1 + x)^2) ]]

=====81.=====
\( f(x) = \sgn \sin \frac{\pi}{x} \)
[[wa> f(x) = sgn sin (pi/x) ]]

=====82.=====
\( f(x) = \frac{\cos \pi/x}{\cos \pi/x} \)

=====76.=====
\( f(x) = \frac{1+x}{1 + x^3} \)

=====77.=====
\( f(x) = \frac{\frac{1}{x} - \frac{1}{x + 1}}{\frac{1}{x - 1} - \frac{1}{x}} \)

=====78.=====
\( f(x) = \frac{x}{\sin x} \)
[[wa> f(x) = x / sin x ]]

=====79.=====
\( f(x) = \sqrt{\frac{1 - \cos (\pi x)}{4 - x^2}} \)
[[wa> f(x) = sqrt( (1 - cos (pi x)) / (4 - x^2)) ]]

=====85.=====
\( f(x) = e^{x+\frac{1}{x}} \)

=====80.=====
\( f(x) = \cos^2 \frac{1}{x} \)
[[wa> f(x) = cos^2 1/x ]]

=====83.=====
\( f(x) = arctg

=====84.=====
\( f(x) =

π
x

1
ln x
1
=====87.=====
\( f (x) =
x
1 − e 1−x
=====86.=====
\( f(x) = \frac{1}{\ln x} \)
[[wa> f(x) = 1/ln x ]]