The equations of the lines which pass through the origin and are inclined at an angle \[{{\tan }^{-1}}m\] to the line \[y=mx+c,\] are

\[y=0,\ \ 2mx+(1-{{m}^{2}})\ y=0\]

\[x=0,\ \ 2mx+({{m}^{2}}-1)\ y=0\]

\[y=0,\ \ 2mx+({{m}^{2}}-1)\ y=0\]

\[y=0,\ \ 2mx+(1-{{m}^{2}})\ y=0\]

The equations of the lines which pass through the origin and are incli

1.	The equations of the lines which pass through the origin and are inclined at an angle \[{{\tan }^{-1}}m\] to the line \[y=mx+c,\] are
A.	\[x=0,\ \ 2mx+({{m}^{2}}-1)\ y=0\]
B.	\[y=0,\ \ 2mx+({{m}^{2}}-1)\ y=0\]
C.	\[y=0,\ \ 2mx+(1-{{m}^{2}})\ y=0\]
D.	None of these
Answer» C. \[y=0,\ \ 2mx+(1-{{m}^{2}})\ y=0\]

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The equations of the lines which pass through the origin and are inclined at an angle \[{{\tan }^{-1}}m\] to the line \[y=mx+c,\] are

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