Mathematics · Algebra
Find the mean proportional between (18 + 10√7) and (18 - 4√7).
- 1√(44 + 56√7)
- 2√(10 + 56√7)
- 3√(4 + 56√7)
- 4√(44 + 108√7)✓
Correct answer
√(44 + 108√7)
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