(m-a^2)/(b^2+c^2 )+(m-b^2)/(c^2+a^2 )+(m-c^2)/(a^2+b^2 )=3, then the v – McqOptions

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1.	(m-a^2)/(b^2+c^2 )+(m-b^2)/(c^2+a^2 )+(m-c^2)/(a^2+b^2 )=3, then the value of n is
A.	A^2+b^2+c^2
B.	A^2+b^2-c^2
C.	A^2+b^2
D.	A^2-b^2-c^2
Answer» B. A^2+b^2-c^2

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