1-8x+16x^2=2-8x的详细解
来源:百度知道 编辑:UC知道 时间:2024/06/28 21:02:27
1-8x+16x^2=2-8x
16x^2-1=0
(4x+1)(4x-1)=0
16(x+1/4)(x-1/4)=0
x=-1/4,x=1/4
1-8x+16x^2=2-8x
16x^2-1=0
(4x-1)(4x+1)=0
x=0.25或x=-0.25
1-8x+16x^2=2-8x
16x^2-1=0
(4x+1)(4x-1)=0
所以4x+1=0,x=-1/4
或4x-1=0,x=1/4
1+16X^2=2
16X^2=1
X^2=1/16
X=±1/4
解:
1-8x+16x^2=2-8x
移项得:1-8x+16x^2-2+8x=0
合并同类项得:16x^2-1=0
即:16x^2=1
所以x^2=1/16
解得 x=±1/4
|x^2-x-8|>=x
(X-1/X)=5,且X<0,求x^10+x^6+x^4+1除以x^10+x^8+x^2+1的值
1、14x(x+6)-6x=8x(2x+5)
3X(2X+1)=8X-5
已知x=根号2-1,计算x^10+2x^9-2x^8-2x^7+x^6+3x^2+5x+1的值
解下列分式方程:(1)X/(X-2)+(X-9)/(X-7)=(X+1)/(X-1)+(X-8)/(X-6)(2)
x+1/x=3,求(x^10+x^8+x^2+1)/(x^10+x^6+x^4+1)的值
方程(x+2)/(x+1)-(x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7)
X+1分之X+2+X+7分之X+8=X+5分之X+6+X+3分之X+4
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=10值?