The following five elementary functions are given:
,
,
,
,
.
Choose one function from the options which meets the following condition: .
A.
B.
C.
Figure out the following limits:
Determine the summation and the product
. Later verify whether the equation
is true for any
.
Compute the area of the plane surface above the axis
for
. Furthermore determine the length of the curve
for
.
There are three points on the plane: . Figure out the measure of the angle
. Later compute the measure of the angle
from the point
to the point
.
Determine the definite integral . Later compute limits
and
for
.