If x = l og a (bc), y = l og b (ca) and z = l og c (ab) then which of the following is…

Mathematics · JEE Advanced · NTA Exams — Sets, Relations and Functions

1. x + y + z
2. (1+ x)^–1 + (1+ y)^–1 + (1+ z)^–1
3. xyz
4. none of these

Answer

(B) (1+ x ) –1 + (1+ y) –1 + (1+ z) –1

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