Question

if a+b+c=0 then find b^2+c^2+a^2/b^2-ca
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Answer 1

Answer: the correct answer is 2

Step-by-step explanation:

a +b +c = 0

b = -(c+a)

Squaring on the both sides

b2 = c2 + a2 + 2ac

Put the value of b2 in equation

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