5/x2+x-3/x2-x=8/x2-1

来源:学生作业帮助网 编辑:作业帮 时间:2024/03/29 15:47:12
5/x2+x-3/x2-x=8/x2-1
解方程:X2--1/8(X2+2X)+X2+2X/3(X2--1)=11

解方程:X2--1/8(X2+2X)+X2+2X/3(X2--1)=11解方程:X2--1/8(X2+2X)+X2+2X/3(X2--1)=11解方程:X2--1/8(X2+2X)+X2+2X/3(X

5(x2-x)=3(x2+x)

5(x2-x)=3(x2+x)5(x2-x)=3(x2+x)5(x2-x)=3(x2+x)5(x2-x)=3(x2+x)5x^2-3x^2-5x-3x=02x^2-8x=02x(x-4)=02x=0x

若 x2-3x+1=0,求(2x2×x3-5x2×x2+2 x3-8x2 )÷(x2+1 )的值

若x2-3x+1=0,求(2x2×x3-5x2×x2+2x3-8x2)÷(x2+1)的值若x2-3x+1=0,求(2x2×x3-5x2×x2+2x3-8x2)÷(x2+1)的值若x2-3x+1=0,求

x2-3x-1=0,求①x2 1/x2;②x2-1/x2

x2-3x-1=0,求①x21/x2;②x2-1/x2x2-3x-1=0,求①x21/x2;②x2-1/x2x2-3x-1=0,求①x21/x2;②x2-1/x2∵x2-3x-1=0∴X-2-1/X=

x2-5x+1=0则x2+x2/1

x2-5x+1=0则x2+x2/1x2-5x+1=0则x2+x2/1x2-5x+1=0则x2+x2/1你可以参见“韦达定理”方程两个根的积是1,说明他们互为倒数.x^2+1/x^2=(x+1/x)^2

x2-3x+1=0 x2/(x4-x2+1)

x2-3x+1=0x2/(x4-x2+1)x2-3x+1=0x2/(x4-x2+1)x2-3x+1=0x2/(x4-x2+1)请问这是什么啊?希望能把问题完善了好吧?

解方程:1/x2+x +1/x2+3x+2 +1/x2+5x+6 +1/x2+7x+12 +1/x2+9x+20=5/x2+11x-708解方程:1/x2+x +1/x2+3x+2 +1/x2+5x+6 +1/x2+7x+12 +1/x2+9x+20=5/x2+11x-708

解方程:1/x2+x+1/x2+3x+2+1/x2+5x+6+1/x2+7x+12+1/x2+9x+20=5/x2+11x-708解方程:1/x2+x+1/x2+3x+2+1/x2+5x+6+1/x2

1/(x2+x)+1/(x2+3x+2)+1/(x2+5x+6)+1/(x2+7x+12)=4/21x2是x的平方

1/(x2+x)+1/(x2+3x+2)+1/(x2+5x+6)+1/(x2+7x+12)=4/21x2是x的平方1/(x2+x)+1/(x2+3x+2)+1/(x2+5x+6)+1/(x2+7x+1

x2+x分之5-x2-x分之3=x2-1分之8.

x2+x分之5-x2-x分之3=x2-1分之8.x2+x分之5-x2-x分之3=x2-1分之8.x2+x分之5-x2-x分之3=x2-1分之8.两边乘以x(x+1)(x-1)得5(x-1)-3(x+1

7/x2+x+1/x2-x=6/x2-1

7/x2+x+1/x2-x=6/x2-17/x2+x+1/x2-x=6/x2-17/x2+x+1/x2-x=6/x2-17/x(x+1)+1/x(x-1)=6/(x+1)(x-1)两边乘x(x+1)(

已知x2-4x+1=0,求x2/(x2)2-3x2+1

已知x2-4x+1=0,求x2/(x2)2-3x2+1已知x2-4x+1=0,求x2/(x2)2-3x2+1已知x2-4x+1=0,求x2/(x2)2-3x2+1x2-4x+1=0两边同除以xx-4+

计算:x2-5x+6/x2-4x+3 + x2-4x+3/x2-2x+1 + x2-3x-4/1-x2

计算:x2-5x+6/x2-4x+3+x2-4x+3/x2-2x+1+x2-3x-4/1-x2计算:x2-5x+6/x2-4x+3+x2-4x+3/x2-2x+1+x2-3x-4/1-x2计算:x2-

解方程:(X2+2)/(2X2-1)-3(2X2-1)/(X2+2)+2=0 3x2+15x+2根号下(x2+5x+1)=2(X2+2)/(2X2-1)-3(2X2-1)/(X2+2)+2=03x2+15x+2根号下(x2+5x+1)=2

解方程:(X2+2)/(2X2-1)-3(2X2-1)/(X2+2)+2=03x2+15x+2根号下(x2+5x+1)=2(X2+2)/(2X2-1)-3(2X2-1)/(X2+2)+2=03x2+1

3/x2 -3x+2-1/x-2=1/x2 -x+4/x2 -2x

3/x2-3x+2-1/x-2=1/x2-x+4/x2-2x3/x2-3x+2-1/x-2=1/x2-x+4/x2-2x3/x2-3x+2-1/x-2=1/x2-x+4/x2-2x3/(x²

5x2-8x+5-3x2+6x

5x2-8x+5-3x2+6x5x2-8x+5-3x2+6x5x2-8x+5-3x2+6x5x2-8x+5-3x2+6x=﹙5-3﹚x²+﹙-8+6﹚x+5=2x²-2x+5

x+1/x=3,求x2/x4+x2+1

x+1/x=3,求x2/x4+x2+1x+1/x=3,求x2/x4+x2+1x+1/x=3,求x2/x4+x2+1x^2/x^4+x^2+1=1/x^2+x^2+1x+1/x=3(x+1/x)^2=3

不等式(x2-4x-5)(x2-8)

不等式(x2-4x-5)(x2-8)不等式(x2-4x-5)(x2-8)不等式(x2-4x-5)(x2-8)(x²-4x-5)(x²-8)<0(x+1)(x-5)(x+2√2

x2-1/x2-5x+6

x2-1/x2-5x+6x2-1/x2-5x+6x2-1/x2-5x+6是解不等式:(x^2-1)/(x^2-5x+6)

(1-x2)(x2-4x+5)

(1-x2)(x2-4x+5)(1-x2)(x2-4x+5)(1-x2)(x2-4x+5)因为(x2-4x+5)是永远大于零的,它的b2-4ac

不等式(x2-4x-5)(x2+1)

不等式(x2-4x-5)(x2+1)不等式(x2-4x-5)(x2+1)不等式(x2-4x-5)(x2+1)因为x2+1>0所以x2-4x-5(x2-4x-5)(x2+1)(x-5)(x+1)(x^2