1. Equations & Inequalities

Find each sum or difference. Write answers in standard form. (-4-i) - (2+3i) + (-4+5i)

Find each sum or difference. Write answers in standard form. 3√7 - (4√7-i) -4i + (-2√7+5i)

In Exercises 53–60, write each power of i as as i, - 1, - i, or 1.i^44

In Exercises 53–60, write each power of i as as i, - 1, - i, or 1.i^114

In Exercises 53–60, write each power of i as as i, - 1, - i, or 1.i^135

Find each product. Write answers in standard form. (3+i)(3-i)

Find each product. Write answers in standard form. (-2-3i)(-2+3i)

Find each product. Write answers in standard form. (√6+i)(√6-i)

In Exercises 65–70, perform the indicated operation(s) and write the result in standard form.(2 - 3i)(1 - i) - (3 - i)(3 + i)

In Exercises 65–70, perform the indicated operation(s) and write the result in standard form.(8 + 9i)(2 - i) - (1 - i)(1 + i)

In Exercises 65–70, perform the indicated operation(s) and write the result in standard form.(2 + i)^2 - (3 - i)^2

Find each product. Write answers in standard form. (3-i)(3+1)(2-6i)

Evaluate (x^2 + 19)/(2 - x) for x = 3i.

Find each quotient. Write answers in standard form. 2-i / 2+i

Find each quotient. Write answers in standard form. 1-3i / 1+i