1: show that
f(x) = |x-1| + cos (x) = 3
is continious when x belongs to R.
2:
Detirmine if the derived to the function
f(x) = { x+ x(x-1)* sin( (1/(1-infinite ) ) if x != 1
{ 1 if x = 1
exists in the point x=1 and find f'(1)
1: show that
f(x) = |x-1| + cos (x) = 3
is continious when x belongs to R.
2:
Detirmine if the derived to the function
f(x) = { x+ x(x-1)* sin( (1/(1-infinite ) ) if x != 1
{ 1 if x = 1
exists in the point x=1 and find f'(1)