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 ( in ) 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 ( in ) 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 - = - ( x ...
... 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 - = - ( x ...
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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a-c circuit adjacent angles algebraic amperes answer arithmetic Axiom base bisector called Chapter Check chord circle circumference coefficient complex numbers Construct COROLLARY cosine curve decibel decimal point denominator diameter distance divided division divisor Draw engineering equal example exponent expression factor figure formula fraction frequency functions geometry given graph impedance inches inscribed interior angles isosceles logarithms magnitude mathematical measure monomial Multiply negative number nth root obtained Ohm's law ohms parallel parallelogram perpendicular polygon polynomial positive Postulate Problems Prove quadratic quantity quotient R₁ radians radio radius ratio reactance regular polygon represented resistance resistor resonant right angle right triangle rotation Simplify sine wave slide rule solution Solve the equation square root straight line subtract tangent Theorem triangle ABC trigonometric functions trigonometry unit vector vertex vertical voltage volts zero