Given that $x^2 + \frac{1}{x^2} = 7$, what is the value of $x^4 + \frac{1}{x^4}$?
Question:
Given that $x^2 + \frac{1}{x^2} = 7$, what is the value of $x^4 + \frac{1}{x^4}$?
Answer:
Let's think step by step.

user
47
Given that $x^2 + \frac{1}{x^2} = 7$, what is the value of $x^4 + \frac{1}{x^4}$?
train