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The angle between the curves $y^2=4x+4$ and $y^2=36(9-x)$ is
\[\begin {array} {1 1} (1)\;30^{\circ} & \quad (2)\;45^{\circ} \\ (3)\;60^{\circ} & \quad (4)\;90^{\circ} \end {array}\]
jeemain
eamcet
math
2008
q67
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Oct 18, 2013
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meena.p
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(5) $90^{\circ}$
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Nov 7, 2013
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pady_1
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