Find the base b logarithm of the input decimal number x. Express the output as a decimal number. The first argument is the number x, and the second argument is the base b.

Examples

 logb(1024,2)    ---> 10
 logb(25,5)      --->  2
 logb(100000,10) --->  5
Solve

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Last Solution submitted on Feb 05, 2026

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Matthew Bolyard JJY 贵林 明泉

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