a= 6
b=6
=12
ab=19 Digo yo
Hola! :3
Sabemos que:
(a + b)² = a² + 2ab + b²
a + b = 12
ab = 38
a² + b² = x
Reemplazamos:
12² = a² + b² + 2(38)
144 = x + 76
144 - 76 = x
68 = x = a² + b²
El valor de "a² + b²" es 68
Espero haberte ayudado :D
Atte: Jean07122006
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a= 6
b=6
=12
ab=19 Digo yo
Verified answer
Hola! :3
Sabemos que:
(a + b)² = a² + 2ab + b²
a + b = 12
ab = 38
a² + b² = x
Reemplazamos:
(a + b)² = a² + 2ab + b²
12² = a² + b² + 2(38)
144 = x + 76
144 - 76 = x
68 = x = a² + b²
El valor de "a² + b²" es 68
Espero haberte ayudado :D
Atte: Jean07122006