regning med T
Posted: 21/06-2008 15:30
[tex] 2(T-1)(T+1)(T+2) [/tex]
[tex] 2(T^2+T-T-1)(T+2) [/tex]
[tex] 2(T^2-1)(T+2) [/tex]
[tex] 2(T^3+2T^2-T-2) [/tex]
[tex] 2T^3+4T^2-2T-4 [/tex]
i fasiten står det
[tex] 2T^3+4T^2-2T+4 [/tex]
[tex] 2(T^2+T-T-1)(T+2) [/tex]
[tex] 2(T^2-1)(T+2) [/tex]
[tex] 2(T^3+2T^2-T-2) [/tex]
[tex] 2T^3+4T^2-2T-4 [/tex]
i fasiten står det
[tex] 2T^3+4T^2-2T+4 [/tex]