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Mathematics
Mathematics
Problem
The lines
x
+
y
=
5
x + y = 5
x
+
y
=
5
and
x
−
y
=
1
x - y = 1
x
−
y
=
1
intersect at a point
P
P
P
. What is the distance of
P
P
P
from the origin? a)
10
\sqrt{10}
10
b)
8
\sqrt{8}
8
c)
5
5
5
d)
13
\sqrt{13}
13
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