英文数学题,求教!The right most vertical tangent has the equationx= 2*3^(1/2)That tangent touches the ellipse where y=?如图所示,前三个问都求对了,求带过程最后一个问.

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英文数学题,求教!The right most vertical tangent has the equationx= 2*3^(1/2)That tangent touches the ellipse where y=?如图所示,前三个问都求对了,求带过程最后一个问.
英文数学题,求教!
The right most vertical tangent has the equation
x= 2*3^(1/2)
That tangent touches the ellipse where y=?
如图所示,前三个问都求对了,求带过程最后一个问.

英文数学题,求教!The right most vertical tangent has the equationx= 2*3^(1/2)That tangent touches the ellipse where y=?如图所示,前三个问都求对了,求带过程最后一个问.
切点是椭圆上的点,所以x= 2*3^(1/2)代入椭圆的方程x^2+xy+Y^2=9
得到y=-3^(1/2)

The answer is line with formula: y=x All you need to know is that θ = arctan(y/x), so the desired formula is y/x=1, i.e. y=x

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