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Adding Algebra arithmetical called cents changed coefficient common factor complete containing cube root decimal denominator derive difference digits divided dividend division divisor dollars equal equivalent EXAMPLES exceeds exponent expression Extracting the square factors feet figures Find Find the value following rule formula four fourth fraction geometrical given gives greater Hence highest increased indicates inverted last term less letter logarithm mantissa means method miles minutes Multiplying negative Note obtained operation perfect polynomial positive PROBLEMS progression proportion quadratic quotient radical sign ratio Reduce remainder Required result rods rule second term solution Solve the equation Solve the following square root Substituting subtract taken third twice uniting unknown quantity Whence write written
Side 164 - Arts. 200 and 201 we derive the following rule : Extract the required root of the numerical coefficient, and divide the exponent of each letter by the index of the root.
Side 44 - ... the product of the two, plus the square of the second. In the third case, we have (a + b) (a — b) = a2 — b2. (3) That is, the product of the sum and difference of two quantities is equal to the difference of their squares.
Side 253 - The first and fourth terms of a proportion are called the extremes; and the second and third terms the means. Thus, in the • proportion a : b = с : d, a and d are the extremes, and b and с the means.
Side 253 - To express that the ratio of A to B is equal to the ratio of C to D, we write the quantities thus : A : B : : C : D; and read, A is to B as C to D.
Side 44 - The square of the difference of two quantities is equal to the square of the first minus twice the product of the first by the second, plus the square of the second.
Side 288 - ... the logarithm of a fraction is equal to the logarithm of the numerator minus the logarithm of the denominator.
Side 105 - Any term may be transposed from one side of an equation to the other by changing its sign. For, consider the equation x + a = b.
Side 256 - In a series of equal ratios, any antecedent is to its consequent, as the sum of all the antecedents is to the sum of all the consequents. Let a: b = c: d = e:f.