Discussion

Explanation:

Given  log1627-log8164+log43= log 16 – log 27 – (log 64 - log 81) + log 4 – log3

= 2log4 – 3log3 – 3log4 + 4log3 + log4 – log3 = 0

Alternately,

log1627-log6481+log43=log(1627×6481×43)=

= log 1 = 0

Hence, option (a).

 

 

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