Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 40
... negative quantity . In a vacuum - tube circuit , the plate current ( i , ) always flows in one direction , which is called the positive direction . It may increase and decrease , but can never be negative . In other words , if its ...
... negative quantity . In a vacuum - tube circuit , the plate current ( i , ) always flows in one direction , which is called the positive direction . It may increase and decrease , but can never be negative . In other words , if its ...
Σελίδα 46
... negative . A proof of this statement will be found in our study of complex numbers . Application . The process of multiplication of positive and negative numbers may be represented by water hammer , a common hydraulic phenomenon , and ...
... negative . A proof of this statement will be found in our study of complex numbers . Application . The process of multiplication of positive and negative numbers may be represented by water hammer , a common hydraulic phenomenon , and ...
Σελίδα 105
... negative ; how- ever , since their sum is -7 , they must both be negative . Two negative numbers whose product is 12 are — 12 and −1 , −6 and −2 , −4 and −3 ; but the sum of the last two numbers only is -7 . Therefore x2 - 7x + 12 ...
... negative ; how- ever , since their sum is -7 , they must both be negative . Two negative numbers whose product is 12 are — 12 and −1 , −6 and −2 , −4 and −3 ; but the sum of the last two numbers only is -7 . Therefore x2 - 7x + 12 ...
Περιεχόμενα
CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
Πνευματικά δικαιώματα | |
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algebraic angle answer applied arithmetic Axiom base called Chapter Check circle circuit circumference coefficient common complex condition Construct COROLLARY curve decimal definition denominator difference direction distance divided division Draw drawn electrical engineering equal equation example exponent expression fact factor figure formula fraction frequency functions geometry given greater illustrated inches indicated involved length letters logarithms magnitude mathematical means measure method Multiply necessary negative Note obtained ohms operation parallel perpendicular places polygon positive possible practice Problems Prove quadratic quantity quotient radio radius ratio represented resistance result right angle root rule shown sides similar Simplify sine solution Solve square statement straight line substituted subtract Theorem triangle unit unknown usually vertical voltage volts wave zero