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Mathematics
Problem
For the curve
x
2
y
+
y
2
=
10
x^2 y + y^2 = 10
x
2
y
+
y
2
=
10
, the slope of the normal at the point
(
2
,
2
)
(2,2)
(
2
,
2
)
is a)
−
1
2
-\dfrac{1}{2}
−
2
1
b)
−
2
-2
−
2
c)
1
1
1
d)
−
1
-1
−
1
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