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Mathematics
Mathematics
Problem
Find the value of
λ
\lambda
λ
such that the tangent to the curve
x
2
+
λ
y
2
=
4
x^{2}+\lambda y^{2}=4
x
2
+
λ
y
2
=
4
at the point
(
1
,
2
)
(1,2)
(
1
,
2
)
is perpendicular to the line
3
x
−
2
y
+
7
=
0
3x-2y+7=0
3
x
−
2
y
+
7
=
0
.
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