Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 146
... Check 123 1 + 2 = 0 1231+ 13 + 2 0 0 = = 0 Evidently , since both roots satisfy the equation , x may be either 2 or ... Check : 22 −5 · 2 + 6 - 0 4 - 10 + 6 = = 0 0 x = x = 2 3 = 0 * + 5 +6 ( x + 2 ) ( x + 3 ) = 0 Check for -2 ( -2 ) 2 ...
... Check 123 1 + 2 = 0 1231+ 13 + 2 0 0 = = 0 Evidently , since both roots satisfy the equation , x may be either 2 or ... Check : 22 −5 · 2 + 6 - 0 4 - 10 + 6 = = 0 0 x = x = 2 3 = 0 * + 5 +6 ( x + 2 ) ( x + 3 ) = 0 Check for -2 ( -2 ) 2 ...
Σελίδα 147
... Check : These values will check in the original equation . It may be seen from the above examples that in every case the roots are identical in absolute value ( numerical value ) with the constant terms in the factors , but are opposite ...
... Check : These values will check in the original equation . It may be seen from the above examples that in every case the roots are identical in absolute value ( numerical value ) with the constant terms in the factors , but are opposite ...
Σελίδα 157
... check ) m = 8 ( Does check ) 5. Solve the equation 14m + 9 + 2 √m +1 + √3m + 1 = 0 for m . This example may be solved just as is Example 4 , above , and m will be found to be 0 and 8. However , since neither answer will check , this ...
... check ) m = 8 ( Does check ) 5. Solve the equation 14m + 9 + 2 √m +1 + √3m + 1 = 0 for m . This example may be solved just as is Example 4 , above , and m will be found to be 0 and 8. However , since neither answer will check , this ...
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