Sagot :
[tex](3xy+1)^{3} [/tex]
Solution:
[tex]=27x^{3}y^{3} + 3 (9x^{2}y^{2}) (1) + 3 (3xy) (1^{2})+ 1^{3}[/tex]
[tex]=27x^{3}y^{3}+27x^{2}y^{2}+9xy+1[/tex]
Solution:
[tex]=27x^{3}y^{3} + 3 (9x^{2}y^{2}) (1) + 3 (3xy) (1^{2})+ 1^{3}[/tex]
[tex]=27x^{3}y^{3}+27x^{2}y^{2}+9xy+1[/tex]