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Mathematics
Mathematics
Problem
The equation
4
x
y
−
3
x
2
=
a
2
4xy - 3x^2 = a^2
4
x
y
−
3
x
2
=
a
2
become when the axes are turned through an angle
tan
−
1
(
2
)
\tan^{-1}(2)
tan
−
1
(
2
)
is a.
x
2
+
4
y
2
=
a
2
x^2 + 4y^2 = a^2
x
2
+
4
y
2
=
a
2
b.
x
2
−
4
y
2
=
a
2
x^2 - 4y^2 = a^2
x
2
−
4
y
2
=
a
2
c.
4
x
2
+
y
2
=
a
2
4x^2 + y^2 = a^2
4
x
2
+
y
2
=
a
2
d.
4
x
2
−
y
2
=
a
2
4x^2 - y^2 = a^2
4
x
2
−
y
2
=
a
2
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