Question

if a +b+c=0 then find the value of (a +b)(b +c)(c +a)

Answer 1

a+b+c = 0
a+b = - c -----(1)
b+c = - a -----(2)
c+a = - b -----(3)

Now, (a+b) (b+c) (c+a) = (-c) (-a)(-b)
= - abc

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Answer 2

hope you will get this