please solve both answer as soon as posible.

3.4-3. A random variable ) undergoes the transformation Y- a/X, where a is a real number. Find the density function of Y. 3.4-4. A random variable.X is uniformly distributed on the interval ( a, a). It is transformed to a new variable } by the transformation } - cx defined in Example 3.4-2. Find and sketch the density function of Y