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Mathematics
Mathematics
Problem
Find the equations of the tangents to the circle
x
2
+
y
2
=
9
x^2 + y^2 = 9
x
2
+
y
2
=
9
, which a. are parallel to the line
3
x
+
4
y
−
5
=
0
3x + 4y - 5 = 0
3
x
+
4
y
−
5
=
0
b. are perpendicular to the line
2
x
+
3
y
+
7
=
0
2x + 3y + 7 = 0
2
x
+
3
y
+
7
=
0
c. make an angle of
60
∘
60^\circ
6
0
∘
with the X-axis
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