An Introduction to Algebra: With Notes and Observations : Designed for the Use of Schools and Places of Public Education : to which is Added an Appendix on the Application of Algebra to GeometryW.E. Dean, 1837 - 282 sider |
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Resultat 1-5 av 49
Side 48
... formula will also equally hold when m is a fraction , as will be more fully explained hereafter . It may also be farther observed , that the sum of the coefficients in every power , is equal to the number 2 raised to that power . Thus 1 ...
... formula will also equally hold when m is a fraction , as will be more fully explained hereafter . It may also be farther observed , that the sum of the coefficients in every power , is equal to the number 2 raised to that power . Thus 1 ...
Side 64
... formula , n = -1 ; and we N = - -1 ; n - 1 2 n - 2 = -1 ; 3 powers of a we have an a − 1 = 1 = an - 3 & c .; so that ( a + b ) a4 shall have for the coefficients n- -3 1 ; = - -1 , & c . and for the 4 1 1 an- = a azi an - 2 = аз -1 1 b ...
... formula , n = -1 ; and we N = - -1 ; n - 1 2 n - 2 = -1 ; 3 powers of a we have an a − 1 = 1 = an - 3 & c .; so that ( a + b ) a4 shall have for the coefficients n- -3 1 ; = - -1 , & c . and for the 4 1 1 an- = a azi an - 2 = аз -1 1 b ...
Side 74
... formula : - Binomial Va ± √b . Multiplier an − 1 = W / an - 2b + Wan - 3b2 = W / an — 4b3 + , & c .; where the upper sign of the multiplier must be taken with the upper expression , with the sign of one of its terms 74 IRRATIONAL ...
... formula : - Binomial Va ± √b . Multiplier an − 1 = W / an - 2b + Wan - 3b2 = W / an — 4b3 + , & c .; where the upper sign of the multiplier must be taken with the upper expression , with the sign of one of its terms 74 IRRATIONAL ...
Side 88
... formula , in that case , is called an equa- tion ) , and then working by the rules of the art , till the quantity sought , is found equal to some given quantity , and conse- quently becomes known . The terms of an equation are the ...
... formula , in that case , is called an equa- tion ) , and then working by the rules of the art , till the quantity sought , is found equal to some given quantity , and conse- quently becomes known . The terms of an equation are the ...
Side 103
... formula , by substitution , may be employed for the resolution of any numeral case of this kind , as in the instance of two equations before given . The numerator of any of these equations , such as z , consists of all the different ...
... formula , by substitution , may be employed for the resolution of any numeral case of this kind , as in the instance of two equations before given . The numerator of any of these equations , such as z , consists of all the different ...
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Vanlige uttrykk og setninger
Algebra answer arise arithmetical arithmetical mean ax² ax³ binomial bx² coefficients consequently cube root cubic equation decimal denominator denoted determined divisor equal EXAMPLES FOR PRACTICE expression factors find the square find the sum find the value find three find two numbers former formula four roots fraction geometrical give given equation given number Given x4 greater greatest common measure Hence infinite series integral last term logarithms method multiplied negative nth root number of terms perpendicular PROBLEM proportion quadratic equation quadratic surd question quotient rational remain Required the sum required to divide required to find resolved result rule second term side square number square root substituted subtracted surd three numbers unknown quantity value of x Whence whole numbers
Populære avsnitt
Side 45 - ... be the power required. Or, multiply the quantity into itself as many times, less one, as is denoted by the index of the power, and the last product will be tJie answer.
Side 43 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Side 27 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Side 87 - ... the first is to the third as the difference between the first and second is to the difference between the second and third, the quantities a, b, c, are said to be in harmonical proportion.
Side 126 - It is required to divide the number 24 into two such parts, that their product may be equal to 35 times their difference. Ans. 10 and 14.
Side 112 - 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 would it take each person to perform the same work alone ? Ans.
Side 126 - What two numbers are those whose sum, multiplied by the greater, is equal to 77 ; and whose difference, multiplied by the less, is equal to 12 ? Ans.
Side 29 - If there is a remainder after the last division, write it over the divisor in the form of a fraction, and annex it with its proper sign to the part of the quotient previously obtained.
Side 224 - N .•. def. (2), x— x1 is the logarithm of that is to say, The logarithm of a fraction, or of the quotient of two numbers, is equal to the logarithm of the numerator minus the logarithm of the denominator. III. Raise both members of equation (1) to the power of n. N" =a
Side 126 - It is required to divide the number 60 into two such parts, that their product shall be to the sum of their squares in the ratio of 2 to 5.