\sqrt{21-4\sqrt{5}+8\sqrt{3}-4\sqrt{15}=

2 - \sqrt { 5 } - 2 \sqrt { 3 }

AP ICET 2018 Forenoon Question Paper

Question : 81 of 200

Marks: +1, -0

√{21-4√{5}+8√{3}-4√{15}}=

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