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$$5337\cdot \left(0.1^{0.1\cdot a}+0.1^{0.2 \cdot a}+0.1^{0.3 \cdot a}\right)=10159$$

by online calculate : $a \approx 1.028222635$

I'm new at math,how to isolate the $a$ value from this formula?

2 Answers 2