PDF chapter test TRY NOW

1. Find \(x^3 - y^3\), if \(x - y = 5\) and \(xy = 14\).
 
Answer:
 
\(x^3 - y^3 =\)
 
2. If \(a + \frac{1}{a} = 6\), then find the value of \(a^3 + \frac{1}{a^3}\).
 
Answer:
 
\(a^3 + \frac{1}{a^3} =\)