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3 years ago

Explain the answer (Please help.) Asp

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

3 0

Hello from MrBillDoesMath!

Answer:

(1/x) * ( (1/ln7) - (1/ln9) )

Discussion:

Using the change of base formula

log_b(x) = ln(x) / ln(b) sp where _b means to log to base b

f(x) = ln(x)/ln(7) - ln(x)/ln(9)

f' = (1/x) *(1/ln7) - (1/x) *(1/ln9)

= (1/x) * ( (1/ln7) - (1/ln9) )

Thank you,

MrB

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