Suppose a0,b0,c0a0,b0,c0 and ab=bc=ca.ab=bc=ca. Find the value of ab+ca+bc.ab+ca+bc.


Answer:

11

Step by Step Explanation:
  1. We need to find the value of ab+ca+bc.ab+ca+bc.
    Let ab=bc=ca=kab=bc=ca=k
  2. From ab=bc=ca=k,ab=bc=ca=k, we get
    a=bk,b=ck, and c=aka=ak3k3=1k=1a=b=c
  3. Now,
    ab+ca+bc=aa+aa+aa=1

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