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Mathematics
Mathematics
Problem
From the point
(
λ
,
3
)
(\lambda, 3)
(
λ
,
3
)
tangents are drawn to
x
2
9
+
y
2
4
=
1
\frac{x^2}{9} + \frac{y^2}{4} = 1
9
x
2
+
4
y
2
=
1
and are perpendicular to each other than
λ
\lambda
λ
is a.
±
1
\pm 1
±
1
b.
±
2
\pm 2
±
2
c.
±
3
\pm 3
±
3
d.
±
4
\pm 4
±
4
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