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Question 2
Simplify the following surd expressions:
| (a) | \( \sqrt{2} \times \sqrt{8} \) | (b) | \( (\sqrt{5} - 2)(\sqrt{5} + 1) \) | (c) | \( 7\sqrt{5} + \sqrt{5} \) |
| (d) | \( \sqrt{3} \times \sqrt{27} \) | (e) | \( \sqrt{80} \div \sqrt{5} \) | (f) | \( 3 \times \sqrt{68} \) |
| (g) | \( \sqrt{20} + \sqrt{45} \) | (h) | \( (\sqrt{3} + 5)(\sqrt{3} +2) \) | (i) | \( \sqrt{48} + \sqrt{75} \) |
| (j) | \( \sqrt{125} \div \sqrt{180} \) | (k) | \( \sqrt{50} + \sqrt{98} \) | (l) | \( (\sqrt{7} - 3)(\sqrt{7} + 1) \) |