Question

if a²+b²+c²=(b+c-1). then find the value of a+b+c



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Answer 1

Answer:

(a+b+c)²=a²+b²+c²+2(ab+bc+ ca) Here, (a+b+c)² will be 0 for any real value of a, b and c => a²+b²+c²+2(ab+bc+ca) = 0

Step-by-step explanation:

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Answer 2

• yes above answer is correct it will be zero only

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