Basic Mathematics for Television and Radio |
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Σελίδα 23
In order to simplify a fraction as much as possible before doing the division indicated , we use cancellation ; that is , the numerator and denominator are divided by all the common factors . Factors of a number are those numbers which ...
In order to simplify a fraction as much as possible before doing the division indicated , we use cancellation ; that is , the numerator and denominator are divided by all the common factors . Factors of a number are those numbers which ...
Σελίδα 42
Thus : + - = 0 +4 4 + a - a = 0 - - The use of the signs and to indicate addition and subtraction must be carefully ... Then count , in the direction . indicated by the sign of the second number , as many units as there are in the ...
Thus : + - = 0 +4 4 + a - a = 0 - - The use of the signs and to indicate addition and subtraction must be carefully ... Then count , in the direction . indicated by the sign of the second number , as many units as there are in the ...
Σελίδα 88
The next step is to raise each radical to the power denoted by the numerator , and to indicate the root denoted by the com- mon denominator . ... If the surds are not similar , the sum may be indicated only .
The next step is to raise each radical to the power denoted by the numerator , and to indicate the root denoted by the com- mon denominator . ... If the surds are not similar , the sum may be indicated only .
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Περιεχόμενα
CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
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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