Total marks: 20
Lecture # 23 to 30
Due date: July 17, 2014
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q.3
e^-(x^2+y^2)=e^-r^2
and limit
-2<=y>=2
0<=x>=pi
dxdy=rdrdo
double integeral e^-r^2 rdrdo
bro use this calculator and also tell me the right ans.
http://www.wolframalpha.com/widgets/view.jsp?id=819a2d24e73f94fa5a0...
Answer of second question
=-3/4i + j
i) Symmetry about the Initial Line
If the equation of a curve remains unchanged when (r,θ)
is replaced by either (r,-θ) in its equation ,then the curve
is symmetric about initial line.
(ii) Symmetry about the y-axis
If when (r, θ) is replaced by either (r,π θ − ) in
The equation of a curve and an equivalent equation
is obtained ,then the curve is symmetric about the
line perpendicular to the initial i.e, the y-axis
(ii) Symmetry about the Pole
If the equation of a curve remains unchanged
when either (-r, θ) or is substituted for (r, θ)
in its equation ,then the curve is symmetric
about the pole. In such a case ,the center of
the curve.
kindly chek the quetion 3 if there is any mistake highlight it.
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