1. Martha makes an error converting the complex number -5v/3 + 5i to polar form. Where did she make her error? Determine the correct answer and explain what Martha did wrong. r = (-5V/3)+52 =125.3+25 =100=10 5 0 = arctan - 513 6 -51/3 +5i=10 cos + isin Answer: (Score for Question 2: _ of 3 points) 2. David determines that 3 2cis 4 = -3+3i. When he considers the graphical representation of these numbers, he knows he made an error. Clearly explain in complete sentences what David observed, and where David made his mistake. State the correct rectangular equivalence of 3 2cis 4