Answer:
Coordinates of P is (-b,0)
Step-by-step explanation:
Given the figure of kite
we have to find the coordinates of P.
As the main diagonal is the perpendicular bisector of the other diagonal i.e diagonal AC dives the line segment PB into two equal parts.
As the coordinates of B is given which is (b, 0)
Let the coordinates of P is (x,y)
PO=OB i.e O is the mid-point of PB
By mid-point formula
b+x=0 and 0+y=0
x=-b and y=0
Hence, the coordinates of P are (-b, 0)
If we substitute and
, we get
, so that
which is independent of , which in turn means the surface can be treated like a surface of revolution.
Consider the function defined over
. Revolve the curve
described by
about the line
. The area of the surface obtained in this way is then
Answer:
y has the greatest value.
Step-by-step explanation:
1.23w = t
Divide both sides by 1.23.
--- (1)
1.01x = t
Divide both sides by 1.01.
--- (2)
0.99y = t
Divide both sides by 0.99.
--- (3)
From (1), (2) and (3), it is clear that y has the greatest value.