What is the value of log(ab2) - log(ac) + log(abc4) - 3log(bc) ?




What is the value of log(ab2) - log(ac) + log(abc4) - 3log(bc) ?

A. 2

B. 0

C. -2

D. 1

Answer : D. 1...


Explanation:


    log(ab2) – log(ac) + log abc4 – 3log(bc)
    = log ab2 – logac + log abc4 – log b3c3
    = loga (ab2/ac) x (abc4/b3c3)
    = logaa = 1


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