I know this is a lot but i need somewhere to start.
Consider the curves in the first quadrant that have equationswhereis a positive constant.
Different values ofgive different curves. The curves form a family,
.
LetLet
be the member of the family
that goes through P.
A. Letbe the equation of
. Find
.
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B. Find the slope atof the tangent to
.
slope =
C. A curveis perpendicular to
at
. What is the slope of the tangent to
at the point
? slope =
D. Give a formulafor the slope at
of the member of
that goes through
. The formula should not involve
or
.
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E. A curve which at each of its points is perpendicular to the member of the familythat goes through that point is called an orthogonal trajectory to
. Each orthogonal trajectory to
satisfies the differential equation
whereis the answer to part D.
Find a functionsuch that
is the equation of the orthogonal trajectory to
that passes through the point
.
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is a positive constant.
.
Let
be the member of the family
be the equation of
.
of the tangent to
is perpendicular to
for the slope at
of the member of
.

such that
is the equation of the orthogonal trajectory to