Question: Use polar coordinates to find the limit. [If (r, ) are polar coordinates of the point (x, y) with r > 0, note that r

Use polar coordinates to find the limit. [If (r, θ) are polar coordinates of the point (x, y) with r > 0, note that r → 0⁺ as (x, y)→ (0, 0).] х + у lim ,3 (х, 9) — (о, о) х? + у?

+ lim ,3 (, 9) (, ) ? + ?

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