Toán Lớp 9: √( √2 +√3 +1)^2 – √(√3 -√2)^2
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Toán Lớp 9: √( √2 +√3 +1)^2 – √(√3 -√2)^2
giúp mik với ạ
Comments ( 2 )
$=2\sqrt{2}+1$
$=|(\sqrt{2}+\sqrt{3}+1|-|\sqrt{3}-\sqrt{2}|$
$=\sqrt{2}+\sqrt{3}+1-\sqrt{3}+\sqrt{2}$
$=2\sqrt{2}+1$