It is known that the logarithm of log with 9 as the base, 5 is a, and the logarithm of log with 9 as the base, 7 is B. find the logarithm of log with 35 as the base, 9

It is known that the logarithm of log with 9 as the base, 5 is a, and the logarithm of log with 9 as the base, 7 is B. find the logarithm of log with 35 as the base, 9

Log is the logarithm of 9 with 35 as the base
=log35 9
=1/(log9 35)
=1/[log9 (5x7)]
=1/(log9 5 + log 9 7)
=1/(a+b)
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