Find the square root of $$ {k+l+m+n+2\sqrt{ml+mk}+2\sqrt{mn}+2\sqrt{kn+ln}}$$
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Q:
Find the square root of $$ {k+l+m+n+2\sqrt{ml+mk}+2\sqrt{mn}+2\sqrt{kn+ln}}$$
- 1$${\sqrt{k+l}}+\sqrt{m+n}$$true
- 2$${\sqrt{k+n}}+\sqrt{m-n}$$false
- 3$${\sqrt{k+l}}+\sqrt{m}+\sqrt{n}$$false
- 4$${\sqrt{k+m}}+\sqrt{l+n}$$false
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