Soal 20 Jika \(\sqrt{x + \sqrt{5x - 9}} + \sqrt{x - \sqrt{5x - 9}} = 4\), nilai \(x\) adalah...
Soal 18 \(\left^{\frac 12} \right)^{\frac 12} \right]^{\frac 12} = \bbox[10px, border:...
Soal 17 Jika \(\sqrt {2 + \sqrt{3}} - \sqrt {2 - \sqrt{3}} = m\), maka \(m^2 +...