!set titb=Identités remarquables
!set keyw=
!set datm=20210821
!set prev=
!set next=
!set upbl=main
!set dat1=19000101
!set dat2=24000101

!if $wims_read_parm!=$empty
  !goto $wims_read_parm
!endif
!exit

:content
<table>
<tr><td align="right">développer</td><td>
!insmath \rightarrow
</td></tr>
<tr><td align="right">
!insmath (a+b)^2
</td><td>=</td><td>
!insmath a^2+2*a*b+b^2
</td></tr>
<tr><td align="right">
!insmath (a-b)^2
</td><td>=</td><td>
!insmath a^2-2*a*b+b^2
</td></tr>
<tr><td align="right">
!insmath (a+b)*(a-b)
</td><td>=</td><td>
!insmath a^2-b^2
</td></tr>
<tr><td></td><td>
!insmath \leftarrow
</td><td>factoriser</td></tr>
</table>

