Question

Si a + b + c = 0. Calcula N = a/(b+c)+ b/(a+c)+ c/(a+b)

Answer 1

Respuesta:

a + b + c = 0

a + b= -c

a + c = -b

b + c = - a

N = a/(b+c)+ b/(a+c)+ c/(a+b)

N = a/( -a)+ b/(-b)+ c/(-c)

N= -1 -1 -1 = -3.

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