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).](x² + y²) In(x² + y²) lim (х, у) — (0, 0)

(x + y) In(x + y) lim (, ) (0, 0)

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