close
標題:
A maths問題
發問:
1.a+b=-5/2,ab=-2 a^3b+ab^3 2.a+b=3,ab=1 (4a-3)+(4b-3),(4a-3)(4b-3) 更新: 更改2. If a and b are the roots of the quation equation x^2-3x+1=0,find the quation equation whose roots are given below. a.4a-3,4b-3 b.2/a^2,2/b^2 c.3a^2+2,3b^2+2
最佳解答:
1.a+b=-5/2,ab=-2 a^3b+ab^3 =ab( a^2 + b^2) =ab( a^2 + 2ab + b^2 -2ab)
此文章來自奇摩知識+如有不便請留言告知
其他解答:
文章標籤
全站熱搜