m−a2b2+c2m−a2b2+c2 + m−b2c2+a2m−b2c2+a2 + m−c2a2+b2m−c2a2+ – McqOptions

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1.	m−a2b2+c2m−a2b2+c2 + m−b2c2+a2m−b2c2+a2 + m−c2a2+b2m−c2a2+b2 = 3m, then the value of m is?
A.	a2 + b2
B.	a2 + b2 + c2
C.	a2 - b2 - c2
D.	a2 + b2 - c2
Answer» B. a2 + b2 + c2

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