Question

Si a-b = 6 y ab = 40 Halla a 2 + b 2

Answer 1

Respuesta:

Espero te sirva

Explicación paso a paso:

Formula :

[tex](a-b)^{2} =a^{2} -b^{2} -2ab(a-b)[/tex]

[tex]6^{2}=a^{2}-b^{2} -6.40.(6)[/tex]

[tex]36 =a^{2} -b^{2} -1440[/tex]

[tex]36 + 1440= a^{2} -b^{2}[/tex]

[tex]1476=a^{2} -b^{2}[/tex]