36x^2-12xy+y^2=0
(6x-y)^2=0
6x-y=0
y=6x
所以原式=x/6x+6x/x
=1/6+6
=37/6
若36x^2-12xy+y^2=0,則x/y+y/x的值是
若36x^2-12xy+y^2=0,則x/y+y/x的值是
數(shù)學(xué)人氣:802 ℃時間:2020-08-10 03:43:05
優(yōu)質(zhì)解答
我來回答
類似推薦
- 計算 -36x^ 2+12xy-y^2
- 因式分解-36x的2次方+12xy-y的2次方
- 因式分解,過程1、-36x平方+12xy-y平方 2、4x(a-b)-8y(b-a)3、(x平方-5)平方+8(x平方-5)+16
- 把下列各式因式分解. (1)4x(a-b)-8y(b-a) (2)-36x2+12xy-y2 (3)a4-16.
- 分解因式:(1)36x2+12xy+y2=_; (2)(x+2)(x-6)+16=_.
- 已知實數(shù)x,y滿足2x+3y≤14,2x+y≤9,x≥0,y≥0,S=3x+ay,若S取得最大值時的最優(yōu)解有無窮多個,則實數(shù)a=?
- 請問這種成分還屬301不銹鋼嗎?(C-0.1003;Si-0.2467;Mn-2.2387;p-0.358;S-0.169;Cr-14.6342;Ni-6.0215)
- X=2*3*5*7*11*13*17*19*23*29*.N(N為質(zhì)數(shù)),求證:X+1為質(zhì)數(shù)
- 若√2007n是個非零整數(shù),則最小整數(shù)n是?
- Either I or he ( )soccer with Tom 四個選項 play are plays is
- .the music festival was great!Many famous people (attended) it.
- 如果(M)表示m的全部因數(shù)的和,如(4)=1+2+4=7,則(18)-(21)=()