Question

Square root of (28-5root 12)

Answer 1

Answer:

$\sqrt{28 - 5 \sqrt{12} } \\ \\ \\ = > \sqrt{28} - 12 \sqrt{3} \\ \\ = > 2 \sqrt{7} - 12 \sqrt{3} \\ \\ = > 2( \sqrt{7} - 6 \sqrt{3} ) \\ \\ = > 2(2.64 - 6 \times 1.732) \\ \\ \\ = > 2(2.64 - 10.39) \\ \\ \\ = > 2( - 7.75) = - 15.5$

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