Find the greatest root of $f(x) = 15x^4-13x^2+2$.
Question:
Find the greatest root of $f(x) = 15x^4-13x^2+2$.
Answer:
Let's think step by step.

user
\frac{\sqrt{6}}{3}
Find the greatest root of $f(x) = 15x^4-13x^2+2$.
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