Textbook QuestionIn Exercises 1–8, add or subtract as indicated and write the result in standard form. 8i - (14 - 9i)166viewsHas a video solution.
Textbook QuestionIdentify each number as real, complex, pure imaginary, or nonreal com-plex. (More than one of these descriptions will apply.) 0159viewsHas a video solution.
Textbook QuestionIn Exercises 9–20, find each product and write the result in standard form. (2 + 3i)^2166viewsHas a video solution.
Textbook QuestionWrite each number as the product of a real number and i. √-10561viewsHas a video solution.
Textbook QuestionIn Exercises 21–28, divide and express the result in standard form. - 6i/(3 + 2i)196viewsHas a video solution.
Textbook QuestionPerform each operation. Write answers in standard form. -5i(3-i)²132viewsHas a video solution.
Textbook QuestionFind each product or quotient. Simplify the answers. √-24 / √8152viewsHas a video solution.
Textbook QuestionIn Exercises 37–52, perform the indicated operations and write the result in standard form. √-64 - √-25175viewsHas a video solution.
Textbook QuestionFind each sum or difference. Write answers in standard form. (3+2i) + (9+3i)159viewsHas a video solution.
Textbook QuestionIn Exercises 37–52, perform the indicated operations and write the result in standard form. √-8 (√-3 - √5)180viewsHas a video solution.
Textbook QuestionIn Exercises 48–57, perform the indicated operations and write the result in standard form. (7-i)(2+3i)241viewsHas a video solution.
Textbook QuestionFind each product. Write answers in standard form. (2+i)(3-2i)130viewsHas a video solution.
Textbook QuestionIn Exercises 61–64, write each complex number in standard form. (1 + i)^3169viewsHas a video solution.
Textbook QuestionFind each product. Write answers in standard form. i(3-4i)(3+4i)149viewsHas a video solution.
Textbook QuestionIn Exercises 65–70, perform the indicated operation(s) and write the result in standard form. (4 - i)^2 - (1 + 2i)^2173viewsHas a video solution.
Textbook QuestionFind each quotient. Write answers in standard form. -5 / i188viewsHas a video solution.
Textbook QuestionIn Exercises 95–99, perform the indicated operations and write the result in standard form. 8/(1 + 2/i)203viewsHas a video solution.
Textbook QuestionWork each problem. Show that √2/2 + √2/2 i is a square root of i.134viewsHas a video solution.