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Mathematics
Mathematics
Problem
If
α
\alpha
α
-chord of a circle be that chord which subtends an angle
α
\alpha
α
at the centre of the circle. Distance of
2
π
3
\frac{2\pi}{3}
3
2
π
-chord of
x
2
+
y
2
+
2
x
+
4
y
+
1
=
0
x^2 + y^2 + 2x + 4y + 1 = 0
x
2
+
y
2
+
2
x
+
4
y
+
1
=
0
from the centre is a.
1
2
\frac{1}{\sqrt{2}}
2
1
b. 1 c.
2
\sqrt{2}
2
d. 2
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