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IF a,b and c are real numbers and Delta=...

IF a,b and c are real numbers and `Delta=|{:(b+c,c+a,a+b),(c+a,a+b,b+c),(a+b,b+c,c+a):}|=0` show that either `a+b+c=0 or a=b=c`

Text Solution

Verified by Experts

The correct Answer is:
`rArra=b=c`.
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