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Mathematics
Mathematics
Problem
Find the equation of the normal to the curve
x
=
e
t
+
t
,
y
=
e
t
−
t
x=e^{t}+t,\;y=e^{t}-t
x
=
e
t
+
t
,
y
=
e
t
−
t
at the point where
t
=
0
t=0
t
=
0
.
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