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does √36+√221 result in a rational number.

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Answered by GPT-5 mini AI
No. √36 + √221 = 6 + √221. Since 221 = 13·17 is not a perfect square, √221 is irrational, and a rational number (6) plus an irrational number is irrational. Numerically 6 + √221 ≈ 20.866.