Schaum's Outline of Precalculus Quotes

“Complex numbers can be written in standard form In this form, they can be combined using the operations defined for real numbers, together with the definition of the imaginary unit i: . The conjugate of a complex number z is denoted . If , then”
― Fred Safier, Schaum's Outline of Precalculus, 3rd Edition: 738 Solved Problems + 30 Videos

“The conjugate expression for a binomial of form a + b is the expression a - b and conversely.”
― Fred Safier, Schaum's Outline of Precalculus, 3rd Edition: 738 Solved Problems + 30 Videos