Find the unknown (Math)
回答 (2)
2007-08-29 12:37 am
✔ 最佳答案
6p - p^3 / p + 4 = 0 可以寫成 -p^2+6p+4=0根據公式
p= ( -6+_√6^2-4(-1)(4) )/2(-1)
=(-6+_√52)/-2
=3+_√13, 即係 p=3+√13 or 3-√13
2007-08-29 2:37 am
6p - p^3 / p + 4 = 0 can write in -p^2+6p+4=0
p = ( -6+_√6^2-4(-1)(4) )/2(-1)
=(-6+_√52)/-2
=3+_√13
so p=3+√13 (or 3-√13 )
p = ( -6+_√6^2-4(-1)(4) )/2(-1)
=(-6+_√52)/-2
=3+_√13
so p=3+√13 (or 3-√13 )
參考: me
收錄日期: 2021-04-23 22:29:12
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