Which one of the following curves cuts the parabola \[{{y}^{2}}=4ax\] – McqOptions

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1.	Which one of the following curves cuts the parabola \[{{y}^{2}}=4ax\] at right angles [IIT 1994]
A.	\[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\]
B.	\[y={{e}^{-x/2a}}\]
C.	\[y=ax\]
D.	\[{{x}^{2}}=4ay\]
Answer» C. \[y=ax\]

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