log√a b × log √b c × log√c a=?


A   b 

B a

C   2  

D

Solution

Correct Answer: Option D

log √a b × log √b c × log√c a
=log√a(√b)2× log√b(√c)2 × log√c(√a)2
=2log√a√b× 2log√b√c× 2log√c√a
=8log√a√b×(log√b√c× log√c√a
=8log√a√b ×log√b√a
=8log√a√a
=8.1=8

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