Basic Mathematics for Television and Radio |
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Σελίδα 31
Thus , in the expression 4b , 4 is the coefficient of b , and shows that 4b is equal to b + b + b + b . Note from this statement that multiplication is basically a shorthand indication of summation . Although the first figure or letter ...
Thus , in the expression 4b , 4 is the coefficient of b , and shows that 4b is equal to b + b + b + b . Note from this statement that multiplication is basically a shorthand indication of summation . Although the first figure or letter ...
Σελίδα 32
term of an expression is positive , the sign + is usually omitted . Thus in the expression 7a4c3d + 5e , the first , second , and fourth terms are positive . A negative term is one that has the sign expression 4a negative .
term of an expression is positive , the sign + is usually omitted . Thus in the expression 7a4c3d + 5e , the first , second , and fourth terms are positive . A negative term is one that has the sign expression 4a negative .
Σελίδα 58
For example , the expression 3x2 + 5x - 8 is a second - degree expression in x which is called quadratic . This subject matter is further discussed in Chapter 20 . Third degree in x : Fifth degree in x : a2x3 + bx2 + cx + d ax5 + b6x + ...
For example , the expression 3x2 + 5x - 8 is a second - degree expression in x which is called quadratic . This subject matter is further discussed in Chapter 20 . Third degree in x : Fifth degree in x : a2x3 + bx2 + cx + d ax5 + b6x + ...
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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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Συχνά εμφανιζόμενοι όροι και φράσεις
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