Toán Lớp 9: Rút gọn
A.√(3-2√2)^2
B.√(4-2√3)^2
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Toán Lớp 9: Rút gọn
A.√(3-2√2)^2
B.√(4-2√3)^2
Comments ( 2 )
$=|3-2\sqrt{2}|$
$=3-2\sqrt{2}$
b,
$\sqrt{(4-2\sqrt{3})^2}$
$=|4-2\sqrt{3}|$
$=4-2\sqrt{3}$