五粮液集团总机号码:在实数范围内因式分解

来源:百度文库 编辑:高考问答 时间:2024/03/28 23:24:41
X2(平方)-5和2Y2(平方)-3和4X4(4次方)-1

x^2-5=(x+根号5)(x-根号5)
2y^2-3=(根号2*y+根号3)(根号2*y-根号3)
4^4-1=(4^2+1)(4^2-1)
=(4^2+1)(4+1)(4-1)
=(4^2+1)(4+1)(2+1)(2-1)
=(4^2+1)(4+1)(2+1)(根号2+1)(根号2-1)

(x+根号5)(x-根号5)
(根号2x+根号3)(根号2x-根号3)
(2x方+1)(根号2x+1)(根号2x-1)