一道英文数学题求救!a tangent line to the eclipse x^2+4y^2=5 has an x-intercept of -5 and passes through the point Q(3,k) in the first quadrant.Determine the value of k

一道英文数学题求救!a tangent line to the eclipse x^2+4y^2=5 has an x-intercept of -5 and passes through the point Q(3,k) in the first quadrant.Determine the value of k 英语短语 a tangent 一道矩阵数学题求救题目应该不难,但是楼主这渣渣表示一窍不通,求救 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. 100分求一道数学题,Find an equation for the tangent line to the curve x^2y + xy^3 = 2 at the point (1; 1). 英文数学题一道如图 一道英文的微积分数学题 一道A卷数学题. 说一下某同学做一道数学题,两个代数式A、B...求救了解的告诉下哟,我在此先感谢了4b 一道美国数学竞赛题Circles A,B and C with radii 2,4,and 6 respectively are tangent to one another.The common external tangent to circles A and B intersects the common external tangent to circles A and C at point x.Find the measure of angle x. 指数函数数学题求救 求救：一道用面积求概率的数学题（英文的）Two circles of radius 1 are to be constructed as follows.The center of circle A is chosen uniformly and at random from the line segment joining(0,0） and（2,0） .The center of circle B is sine cosine tangent 的英文音标怎么写? 求救 一道英文计算题!Generate 100 draws of a normal distribution with mean 10 and variance 4 what are the mean and variance of these draws?comment 一道简单的英文数学题谢谢大家 sat数学题一道,正答是A. 一道数学题,求a.b. 一道数学题:已知|x-a|