CSEC Additional Mathematics · 2013 · Paper 1 · Question Q13
(8 + \sqrt{5})(2 - \sqrt{5}) can be expressed as
- (A)
11 - 6\sqrt{5} - (B)
21 - 6\sqrt{5} - (C)
11 + 6\sqrt{5} - (D)
11 + 10\sqrt{5}
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