The tangent plane to the graph off(x,y)=?ln(2x4y+1)f(x,y)=?ln(2x4y+1)at the point where(x,y)=(2,1)(x,y)=(2,1)has the equationz=z=???.(write the appropriate function ofxxandyy)

The tangent plane to the graph of f (x, y) = In (2x y + 1) at the point where (x, y) = (2, 1) has the equation z = (write the appropriate function of x and y ) Hint Penalty Warning 0.0 View Hint