解方程10點
(4m+1)2次方 - 4(2)(-1+2m2次方)=0
2次方唔識打- -
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回答 (3)
✔ 最佳答案
(4m+1)2 - 4(2)(-1+2m2)=0
(16m2+8m+1)-8(-1+2m2)=0
16m2+8m+1+8-16m2=0
8m+9=0
8m=-9
m=-9/8
(4m+1)2次方 - 4(2)(-1+2m2次方)=0
A. (4m+1)^2-4(2)(-1+2m^2) = 0
(4m+1)(4m+1)-8(-1+2m^2) = 0
(16m^2+8m+1)+8-16m^2 = 0
8m+9 = 0
8m = -9
m = -9/8
參考: Myself
(16)2次方+8m+1+8-16m2次方=0
8m+9=0
8m=-9
m=-9/8
Hope this can help you~=)
收錄日期: 2021-04-23 20:38:42
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