Unformatted text preview: x 5 is not 30 x 5 = 150. What is the correct value? 3. Express the complex number 4 3 j z + − = in polar form, where 1 − = j . 4. Find the roots of the polynomial 5 4 3 2 + + x x . 5. Use the Lagrange interpolation formula to find a polynomial ( ) x f for which ( ) 2 1 = f , ( ) 7 2 = f , and ( ) 20 3 = f . 6. Let α and β be real values. Simplify the expression ( ) β α j e + − . In particular, your result should contain no occurrences of ‘ j .’ 7. Suppose 5 log 5 log 8 2 a = for some > a . What is the value of a ?...
View
Full Document
 Spring '08
 ALL

Click to edit the document details