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Mathematics
Problem
The length of perpendicular from the origin on the line
x
/
a
+
y
/
b
=
1
x/a + y/b = 1
x
/
a
+
y
/
b
=
1
is- (1)
b
a
2
+
b
2
\frac{b}{\sqrt{a^2 + b^2}}
a
2
+
b
2
b
(2)
a
a
2
+
b
2
\frac{a}{\sqrt{a^2 + b^2}}
a
2
+
b
2
a
(3)
a
b
a
2
+
b
2
\frac{ab}{\sqrt{a^2 + b^2}}
a
2
+
b
2
ab
(4) None of these
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