Multiple choice

√50 + √8

  1. 7√2

  2. 8√2

  3. 6√2

  4. 7√3
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A Correct answer
Explanation

sqrt(50) = 5*sqrt(2) and sqrt(8) = 2*sqrt(2). Adding them gives 5*sqrt(2) + 2*sqrt(2) = 7*sqrt(2).

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