(x-y)(x+y)+(y-z)(y+z)+(z-x)(z+x) – InterviewSolution

1.	(x-y)(x+y)+(y-z)(y+z)+(z-x)(z+x)
Answer» MPLE DUDENOW (A+B) (A-B) = A²-B²BY APPLYING PROPERTY = X²-Y²+Y²-Z²+Z²-X²= 0HENCE FINDED...FOLLOW FOR BEST ANSWERS AND MARK BRAINLIST

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