taiwan-gsat 2009 Q7

taiwan-gsat · Other · gsat__math Not Maths Verifying Statements About Probability Properties

7. Which of the following options contain rational numbers?
(1) 3.1416
(2) $\sqrt{3}$
(3) $\log_{10}\sqrt{5} + \log_{10}\sqrt{2}$
(4) $\frac{\sin 15^{\circ}}{\cos 15^{\circ}} + \frac{\cos 15^{\circ}}{\sin 15^{\circ}}$
(5) The unique real root of the equation $x^{3} - 2x^{2} + x - 1 = 0$

& 1，3，4 & \multirow{2}{*}{C} & 18 & 2 & & 30 & 6

7. Which of the following options contain rational numbers?\\
(1) 3.1416\\
(2) $\sqrt{3}$\\
(3) $\log_{10}\sqrt{5} + \log_{10}\sqrt{2}$\\
(4) $\frac{\sin 15^{\circ}}{\cos 15^{\circ}} + \frac{\cos 15^{\circ}}{\sin 15^{\circ}}$\\
(5) The unique real root of the equation $x^{3} - 2x^{2} + x - 1 = 0$

Paper Questions

Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11