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Mathematics
Problem
The sum of the square of the length of the chord intercepted by the line
x
+
y
=
n
,
n
∈
N
x + y = n, n \in N
x
+
y
=
n
,
n
∈
N
on the circle
x
2
+
y
2
=
4
x^2 + y^2 = 4
x
2
+
y
2
=
4
is a. 11 b. 22 c. 33 d. None of these
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