Respuesta:
13
Explicación paso a paso:
(A-B)^2=a^2+b^2-2ab
3 ^2=a^2+b^2-2(2)
9=a^2+b^2-4
9+4=a^2+b^2
13= a^2+b^2
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Respuesta:
13
Explicación paso a paso:
(A-B)^2=a^2+b^2-2ab
3 ^2=a^2+b^2-2(2)
9=a^2+b^2-4
9+4=a^2+b^2
13= a^2+b^2