7. If log (a + b) = log a + log b, find a in terms
of b.
Answers
Answered by
0
Log is a 1-1 function therefore a + b = ab, so
a = b/(b-1)
a = b/(b-1)
Answered by
0
Answer:
log(a+b)=log a + log b
log(a+b)=log ab according to logarithm log m + log n = logmn
log gets cancelled
a+b=ab
b=ab-a
b=a(b-1)
b/a=b-1
b/a+1=b
b+a/a=b
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