Intermediate Algebra for College Students |
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Page 202
... imaginary number √ - 1 is called the imagi- nary unit and is designated by the letter i . Any imaginary number can be expressed in terms of the imagi- nary unit . Thus , for the examples given above , we have √ − 4 = √4 √ −1 = 2i ...
... imaginary number √ - 1 is called the imagi- nary unit and is designated by the letter i . Any imaginary number can be expressed in terms of the imagi- nary unit . Thus , for the examples given above , we have √ − 4 = √4 √ −1 = 2i ...
Page 255
... imaginary unit . In this sense , we see that every quadratic equation has two roots which have the property that they are either ( 1 ) real and unequal , ( 2 ) real and equal , or ( 3 ) imaginary . Example 1. Show that 1 + i is a root ...
... imaginary unit . In this sense , we see that every quadratic equation has two roots which have the property that they are either ( 1 ) real and unequal , ( 2 ) real and equal , or ( 3 ) imaginary . Example 1. Show that 1 + i is a root ...
Page 367
Thurman Stewart Peterson. Imaginary unit , 202 Incomplete quadratic equations , 236 Inconsistent equations , 226 Independent variable , 217 Indeterminate equation , 155 Index of a radical , 185 Infinite geometric series , 322 Insertion ...
Thurman Stewart Peterson. Imaginary unit , 202 Incomplete quadratic equations , 236 Inconsistent equations , 226 Independent variable , 217 Indeterminate equation , 155 Index of a radical , 185 Infinite geometric series , 322 Insertion ...
Contents
Introduction | 1 |
Addition and Subtraction | 30 |
Multiplication and Division | 46 |
Copyright | |
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30 minutes algebraic arithmetic arithmetic mean binomial cents a pound check your result coefficient cost decimal denominator dimes distance Divide divisor equal EXERCISE expression factors feet fill the tank Find the number Find the sum Find the value Find their present following equations formula fraction geometric means geometric progression given equation graph Hence imaginary unit inches increased integers invested laws of exponents length logarithms mantissa miles per hour monomial multinomials Multiply obtain parentheses perimeter pipe Plot points present ages problem progression quadratic equation quantity quotient radicals radicand ratio rectangle remainder represent REVIEW OF CHAPTER sides simplify Solution Solve the equation Solve the following square root Substituting subtract three numbers traveling triangle trinomial two-figured number unknown varies directly varies inversely width zero