Question

Suppose log7(10) = a and log7( 5) = b. Use the change-of-base formula along with properties of

logarithms to rewrite each expression in terms of a and b.

Answer 1

Explanation:

log 10/log7=a

log10=alog7

log10=log7^a

10=7^a

log 5/log7=b

log5=blog7

log5=log7^b

5=7^b