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Homework Statement
The image has the question I don't quite understand!
Homework Equations
The Attempt at a Solution
I understand how to get √(√2 - x) but I dont get how they end up with: 4√2 - x
?
Last edited:
Your notation is incorrect. This is what you wrote:Homework Statement
The image has the question I don't quite understand!
Homework Equations
The Attempt at a Solution
I understand how to get √(√2 - x) but I dont get how they end up with: 4√2 - x
Ah yea, I see the difference. Gotta start writing in latex!Your notation is incorrect. This is what you wrote:
$$ \sqrt{\sqrt{2} - x}$$
What you should have written is
$$ \sqrt{\sqrt{2-x}}$$
Without using LaTeX, as I did, you could have written √(√(2 - x))
Do you see the difference?