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Mathematics
Problem
B18. [Hard – OR] (Replaces Q46) Evaluate using the change-of-base formula. Show the telescoping cancellation explicitly.
log
3
(
5
)
⋅
log
5
(
7
)
⋅
log
7
(
9
)
\log_3(5) \cdot \log_5(7) \cdot \log_7(9)
lo
g
3
(
5
)
⋅
lo
g
5
(
7
)
⋅
lo
g
7
(
9
)
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