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# The length of the sub tangent at (2,2) to the curve $x^5 =2y^4$ is :

$\begin {array} {1 1} (1)\;\frac{5}{2} & \quad (2)\;\frac{8}{5} \\ (3)\;\frac{2}{5} & \quad (4)\;\frac{5}{8} \end {array}$
Can you answer this question?

$(2)\;\frac{8}{5}$
answered Nov 7, 2013 by