Math  /  Algebra

Question求解方程 8a+9=9a+88^{a+9}=9^{a+8},找出 aa 的值。

Studdy Solution
Calculate the value of aa.
a=8ln299ln28ln29ln28a = \frac{8 \ln^29 -9 \ln^28}{\ln^29 - \ln^28}This is the exact value of aa. To get a numerical approximation, we can use a calculator to compute the natural logarithms.

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