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Choose the odd one out (1) y^(2) = 4a...

Choose the odd one out (1) ` y^(2) = 4ax`
(2) ` c= a/m `
(3) ` c^(2) = a^(2(1+m^(2)))`
(4) ` (a/m^(2) , (2a)/m)`

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The correct Answer is:
C
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