Textbook QuestionIn Exercises 9–20, find each product and write the result in standard form. (- 5 + 4i)(3 + i)169viewsHas a video solution.
Textbook QuestionIdentify each number as real, complex, pure imaginary, or nonreal com-plex. (More than one of these descriptions will apply.) -6 -2i446viewsHas a video solution.
Textbook QuestionPerform each operation. Write answers in standard form. (6-i) + (7-2i)155viewsHas a video solution.
Textbook QuestionIn Exercises 21–28, divide and express the result in standard form. 2/(3 - i)186viewsHas a video solution.
Textbook QuestionWrite each number as the product of a real number and i. -√-18194viewsHas a video solution.
Textbook QuestionIn Exercises 29–36, simplify and write the result in standard form. √-49158viewsHas a video solution.
Textbook QuestionFind each product or quotient. Simplify the answers. √-6 * √-2 / √3156viewsHas a video solution.
Textbook QuestionIn Exercises 37–52, perform the indicated operations and write the result in standard form. (- 2 + √-4)^2177viewsHas a video solution.
Textbook QuestionFind each sum or difference. Write answers in standard form. (-3+2i) - (-4+2i)151viewsHas a video solution.
Textbook QuestionIn Exercises 53–60, write each power of i as as i, - 1, - i, or 1. i^31165viewsHas a video solution.
Textbook QuestionIn Exercises 48–57, perform the indicated operations and write the result in standard form. √ (-32) - √ (-18)169viewsHas a video solution.
Textbook QuestionFind each product. Write answers in standard form. (2+i)²136viewsHas a video solution.
Textbook QuestionIn Exercises 61–64, write each complex number in standard form. (2 + 3i)^3168viewsHas a video solution.
Textbook QuestionFind each product. Write answers in standard form. 3i(2-i)²141viewsHas a video solution.
Textbook QuestionFind each quotient. Write answers in standard form. 2 / 3i144viewsHas a video solution.
Textbook QuestionIn Exercises 95–99, perform the indicated operations and write the result in standard form. (i^98 - i^94)/i^49166viewsHas a video solution.