1.

Read the following comprehension carefully, Let Delta ne 0 Delta^c denotes the determinant of cofactors , then Delta^c=Delta^(n-1) where n(gt 0) is the order of Delta. Suppose a,b,c in R ,a+b+c gt 0 , A=bc-a^2,B=ca-b^2 and C=ab-c^2 and |{:(A,B,C),(B,C,A),(C,A,B):}|=49 "then" |{:(a,b,c),(b,c,a),(c,a,b):}| equals

Answer»

`-7`
7
`-2401`
2401

Answer :B


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