Tính biểu thức chứa căn thức bậc hai
Problem:
Tính:
a) \(\sqrt{12}.\left(\sqrt{12} + \sqrt{3}\right)\)
b) \(\sqrt{8}.\left(\sqrt{50} - \sqrt{2}\right)\)
c) \({\left(\sqrt{3} + \sqrt{2}\right)^2} - 2\sqrt{6}\)
Tính:
a) \(\sqrt{12}.\left(\sqrt{12} + \sqrt{3}\right)\)
b) \(\sqrt{8}.\left(\sqrt{50} - \sqrt{2}\right)\)
c) \({\left(\sqrt{3} + \sqrt{2}\right)^2} - 2\sqrt{6}\)
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