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The Power of X

Algebra Level 4

$\large 9^X = 6^X + 4^X \quad,\quad X = \ ?$

\log_{\frac32}\left( \frac{1+\sqrt5}2\right)

None of the rest

\log_{\frac23}\left( \frac{1+\sqrt5}2\right)

\frac { 1+\sqrt { 5 } }{ 2 }

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Excel in math and science

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It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 7 million people

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including olympiad champions, researchers, and professionals.

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by Edgar de Asis Jr.

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