當(dāng)ab為何值時(shí),方程組{ax-2y-1=0,(1)有唯一解?(2)有無窮多解;(3)無解?{6x-4y+b=0
當(dāng)ab為何值時(shí),方程組{ax-2y-1=0,(1)有唯一解?(2)有無窮多解;(3)無解?{6x-4y+b=0
方程組是{ax-2y-1=0
{6x-4y+b=0
方程組是{ax-2y-1=0
{6x-4y+b=0
數(shù)學(xué)人氣:303 ℃時(shí)間:2020-06-19 09:29:49
優(yōu)質(zhì)解答
a=3,b=-2
我來回答
類似推薦
- 當(dāng)A,B為何值時(shí),方程組ax-2y-1=0;6x-4y+b=0①有唯一解②有無窮解③無解
- 當(dāng)a、b為何值時(shí),方程組ax-2y-1=0,6x-4y+b=0 ①有唯一解,2.有無數(shù)解3.
- 若關(guān)于x、y的方程組,ax+2y=4,6x-4y=-7有唯一解,則a的值是多少?
- ax+2y=1+b,2x+4y=3,求a,b為何值時(shí),方程組有唯一一組解.
- 如果關(guān)于x、y、z的方程組ax-by-2z=13,ax+2y+cz= -2,cx-4y+bz=28的解是x=3、y= -1 z=-2,求a、b、c的值
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個(gè)數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯(cuò)
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運(yùn)嗎
- 6邊長為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機(jī)械分析天平TG628A的使用說明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as