If $x^2+y^2=1$, what is the largest possible value of $|x|+|y|$?
Question:
If $x^2+y^2=1$, what is the largest possible value of $|x|+|y|$?
Answer:
Let's think step by step.

user
\sqrt{2}
If $x^2+y^2=1$, what is the largest possible value of $|x|+|y|$?
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