1.

The value of(xb+cc−a)1a−b.(xc+aa−b)1b−c.(xa+bb−c)1c−a is = ?The value of(xb+cc−a)1a−b.(xc+aa−b)1b−c.(xa+bb−c)1c−a is = ?

A. 1
B. a
C. b
D. c
Answer» B. a


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