Math, asked by aaryapandhare2009, 5 months ago

2) Find √21+√18-√4

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Answered by kristijakhua

2

$\sqrt{2}\cdot \:1+\sqrt{1}\cdot \:8-\sqrt{4}$

$=1\cdot \sqrt{2}+1\cdot \:8-\sqrt{4}$

$=\sqrt{2}+8-2$

$=6+\sqrt{2}$

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