Elements of Algebra: On the Basis of M. Bourdon, Embracing Sturm's and Horner's Theorems : and Practical ExamplesA. S. Barnes & Burr, 1860 - 400 páginas |
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Página 75
... satisfy it ; that is , make the two members equal . This value is called a root of the equation . In solving an equation , we make use of certain transformations . A transformation of an equation is an operation by which we change its ...
... satisfy it ; that is , make the two members equal . This value is called a root of the equation . In solving an equation , we make use of certain transformations . A transformation of an equation is an operation by which we change its ...
Página 89
... satisfy both equations . We see that in order to find determinate values for two unknown quantities , we must have two independent equations . Simultaneous equations are those in which the values of the unknown quantities are the same ...
... satisfy both equations . We see that in order to find determinate values for two unknown quantities , we must have two independent equations . Simultaneous equations are those in which the values of the unknown quantities are the same ...
Página 93
... satisfy these new equations . Now , if the first be multiplied by 9 , the second by 2 , and the results be added together , we find 419x = 1257 , whence x = = 3 . By means of the two equations involving x and y , we may determine y as ...
... satisfy these new equations . Now , if the first be multiplied by 9 , the second by 2 , and the results be added together , we find 419x = 1257 , whence x = = 3 . By means of the two equations involving x and y , we may determine y as ...
Página 103
... satisfy it : hence , there are an infinite number of values for x and y which will satisfy the equation , and consequently it is indeterminate ; that is , it admits of an infinite number of solutions . If an equation contains more than ...
... satisfy it : hence , there are an infinite number of values for x and y which will satisfy the equation , and consequently it is indeterminate ; that is , it admits of an infinite number of solutions . If an equation contains more than ...
Página 107
... satisfies both the equation and enunciation . 2. A father has lived a number of years expressed by a ; his son a ... satisfies the enunciation . Let us now suppose a = = 45 , and . b : = 15 ; 45 60 then , x = - 5 . 3 If we substitute ...
... satisfies both the equation and enunciation . 2. A father has lived a number of years expressed by a ; his son a ... satisfies the enunciation . Let us now suppose a = = 45 , and . b : = 15 ; 45 60 then , x = - 5 . 3 If we substitute ...
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Términos y frases comunes
algebraic expression algebraic quantities approximating fraction arithmetical arithmetical progression becomes called co-efficient contrary signs cube root decimal places deduce denote the number derived polynomial Divide dividend entire number example exponent extract the square figures Find the factors Find the square find the values following RULE formula fourth fractional unit given equation given number gives greatest common divisor hence indicated inequality irreducible fraction last term leading letter least common multiple logarithm mixed quantity monomial multiplicand and multiplier negative roots nth power nth root number of terms obtain operation perfect square positive roots preceding problem proposed equation quotient radical sign real roots remainder required root required to find result second degree second member second term simplest form square root substituted subtract suppose supposition take the equation taken third unknown quantity whence whole number write
Pasajes populares
Página 174 - Find the value of one of the unknown quantities, in terms of the other and known quantities...
Página 290 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Página 286 - The logarithm of a number is the exponent of the power to which it is necessary to raise a fixed number, in order to produce the first number.
Página 117 - The first ten numbers are 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 Roots.
Página 136 - Resolve the quantity under the radical sign into two factors, one of which is the greatest perfect power of the same degree as the radical.
Página 200 - RULE I. Separate the given number into periods. of three figures each, beginning at the right hand ; the left hand period will often con tain less than three places of figures.
Página 100 - If A and B together can perform a piece of work in 8 days, A and c together in 9 days, and B and c in 10 days, how many days will it take each person to perform the same work alone.
Página 62 - Subtract the numerator of the subtrahend from the numerator of the minuend, and place the difference over the common denominator. EXAMPLES FOR PRACTICE.
Página 154 - B, departed from different places at the same time, and travelled towards each other. On meeting, it appeared that A had travelled 18 miles more than B ; and that A could have gone B's journey in 15| days, but B would have been 28 days in performing A's journey. How far did each travel ? Ans.
Página 222 - Consequently, teueя the index of the radical is divisible by the exponent of the power to which it is to be raised, perform the division, leaving the quantity under the radical sign unchanged.