解析 当lambda 变化时,方程:3x+4y-2+lambda (2x+y+2)=0表示过直线3x+4y-2=0和直线2x+y+2=0的交点,除直线2x+y+2=0以外的所有直线,包括直线3x+4y-2=0,所过交点为(frac(36)7 ,frac47 )。反馈 收藏
设X与Y相互独立,且X服从λ=3的指数分布,Y服从λ=4的指数分布,试求:(1)(X,Y)联合概率密度与联合分布函数;(2)P(X0,3x+4y
百度试题 结果1 题目 \(已知直线L由平面\pi_1:3x-y+2z-6=0和平面\pi_2:x+4y-\lambda z-15=0相交而成\\,则\lambda=\_\_\_\_\_\_\_时,L与z轴相交.\)___ 相关知识点: 试题来源: 解析 -5 反馈 收藏
If the line y=3x+lambda touches the hyperbola 9x^(2)-5y^(2)=45, then the value of lambda is
The values ofλfor which the line y=x+λtouches the ellipse9x2+16y2=144, are View Solution Show that the liney=x+√7touches the hyperbola9x2−16y2=144. If the line3x−4y−λ=0touches the circlex2+y2−4x−8y−5=0at (a, b) then which of the following is not the ...
25{(x−3)2+(y+2)2}=(3x−4y−2)2 or√(x−3)2+(y+2)2=|3x−4y−2|√32+42 Here, focus is (3,-2) and the equation of the directrix is 3x−4y−2=0 ∴Length of latus rectum=2×Distance between focus and directrix ...
If the curvesC1:y=InxxandC2:y=λx2(whereλis constant) touches each other, then the value ofλis View Solution If a circle passes through the point of intersection of the linesx+y+1=0andx+λy−3=0with the coordinate axis, then find the value ofλ. ...
(2) Slope of line=λ=tanθ ∴tan(∠MPS)=tan(π2−θ)=tan(π−2θ) =−tan2θ=2λλ2−1 Show More | ShareSave Class 12MATHSPARABOLA Topper's Solved these Questions PARABOLABook:CENGAGE ENGLISHChapter:PARABOLAExercise:EXERCISE (MULTIPLE CORRECT ANSWER TYPE ) ...
The line 4y - 3x + lambda =0 touches the circle x^2 + y^2 - 4x - 8y - 5 = 0 then lambda=
If x-y and y-2x are two factors of the expression x^3-3x^2y+lambdaxy^2+muy^2, then lambda=