Answer

问题及解答

[Bug]2024-8-26

Posted by haifeng on 2024-08-26 17:45:16 last update 2024-08-26 17:53:57 | Edit | Answers (0)

>> ((x)^4)-(x)^3
in> ((x)^4)-(x)^3
 
out> -1x^3
------------------------
 
>> ((x)^4)-((x)^3)
 
 

>> :mode polyn
Switch into polynomial mode.
 
>> (4x-1)^4
in> (4x-1)^4
 
out> 256x^4-256x^3+96x^2-16x^1+1
------------------------
 
 
>> (4x-1)^3
in> (4x-1)^3
 
out> 64x^3-48x^2+12x^1-1
------------------------
 
 
>> (4x-1)^2
in> (4x-1)^2
 
out> 16x^2-8x^1+1
------------------------
 
 
>> (256x^4-256x^3+96x^2-16x^1+1)-(64x^3-48x^2+12x^1-1)+(16x^2-8x^1+1)+3
in> (256x^4-256x^3+96x^2-16x^1+1)-(64x^3-48x^2+12x^1-1)+(16x^2-8x^1+1)+3
 
out> 256x^4-320x^3+160x^2-36x^1+6|1
------------------------
 
 
>> (4x-1)^4-(4x-1)^3+(4x-1)^2+3