Question

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

Answer 1

Respuesta:

Espero te sirva

Explicación paso a paso:

Formula :

$(a-b)^{2} =a^{2} -b^{2} -2ab(a-b)$

$6^{2}=a^{2}-b^{2} -6.40.(6)$

$36 =a^{2} -b^{2} -1440$

$36 + 1440= a^{2} -b^{2}$

$1476=a^{2} -b^{2}$