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Home  >>  EAMCET  >>  Mathematics
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$z=\tan (y+ax)+\sqrt {y-ax}=> z_{xx}-a^2z_{yy}=$

\[\begin {array} {1 1} (1)\;0 & \quad (2)\;2 \\ (3)\;z_x+z_y & \quad (4)\;z_xz_y \end {array}\]

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1 Answer

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$(1)\;0$
answered Nov 7, 2013 by pady_1
 
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