Question

lim x tending to n { x }

where { . } represents fractional part function

Answer 1

Answer:

ANSWER

(1.)LHL=lim

h→0

(f(

2

π

)−h)

=lim

h→0

(sin[(

2

π

)−h)]

=lim

h→0

[cosh]=0

RHL=lim

h→0

(f(

2

π

)+h)

=lim

h→0

[sin(

2

π

)+h)]

=lim

h→0

[cosh]=0

∴LHL=RHL=0