If \[{{y}_{1}},\ {{y}_{2}}\] are the ordinates of two points P and Q on the parabola and \[{{y}_{3}}\] is the ordinate of the point of intersection of tangents at P and Q, then

\[{{y}_{1}},\ {{y}_{2}},\ {{y}_{3}}\] are in G.P.

\[{{y}_{1}},\ {{y}_{2}},\ {{y}_{3}}\] are in A.P.

\[{{y}_{1}},\ {{y}_{3}},\ {{y}_{2}}\] are in A.P.

\[{{y}_{1}},\ {{y}_{3}},\ {{y}_{2}}\] are in G.P.

If \[{{y}_{1}},\ {{y}_{2}}\] are the ordinates of two points P and Q o

1.	If \[{{y}_{1}},\ {{y}_{2}}\] are the ordinates of two points P and Q on the parabola and \[{{y}_{3}}\] is the ordinate of the point of intersection of tangents at P and Q, then
A.	\[{{y}_{1}},\ {{y}_{2}},\ {{y}_{3}}\] are in A.P.
B.	\[{{y}_{1}},\ {{y}_{3}},\ {{y}_{2}}\] are in A.P.
C.	\[{{y}_{1}},\ {{y}_{2}},\ {{y}_{3}}\] are in G.P.
D.	\[{{y}_{1}},\ {{y}_{3}},\ {{y}_{2}}\] are in G.P.
Answer» C. \[{{y}_{1}},\ {{y}_{2}},\ {{y}_{3}}\] are in G.P.

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If \[{{y}_{1}},\ {{y}_{2}}\] are the ordinates of two points P and Q on the parabola and \[{{y}_{3}}\] is the ordinate of the point of intersection of tangents at P and Q, then

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