2. Express the given complex number in th exponential form z = |z|e. 2 a) 1+i b) (1+i)20 c); 3. Write each of the following numbers in the form a + ib. 2i 3e4+i e³i - e-3i a) 2i b) 2e3+ix/6 c) e, where z 4ein/3