The National Arithmetic on the Inductive System: Combining the Analytic and Synthetic Methods : Forming a Complete Course of Higher ArithmeticRobert S. Davis & Company, 1878 - 450 σελίδες |
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Σελίδα 378
... CUBE ROOT . The extraction of the cube root of a number is the process of finding one of its three equal factors ; or , of finding a factor which , being multiplied into itself twice , will produce the given number . 528. The common ...
... CUBE ROOT . The extraction of the cube root of a number is the process of finding one of its three equal factors ; or , of finding a factor which , being multiplied into itself twice , will produce the given number . 528. The common ...
Σελίδα 379
... cube root . Since the cube of a + b is a3 + 3 a2 b + 3 a b2 + b3 , the cube root of a3 + 3 a2 b + 3 a b2 + b3 must be a + b . Now a , the first term of the cube root , is the cube root of a3 , the first term of the cube ; and if a3 be ...
... cube root . Since the cube of a + b is a3 + 3 a2 b + 3 a b2 + b3 , the cube root of a3 + 3 a2 b + 3 a b2 + b3 must be a + b . Now a , the first term of the cube root , is the cube root of a3 , the first term of the cube ; and if a3 be ...
Σελίδα 381
... cube root of 12326391 ? FIRST OPERATION . 23 = Trial divisor , 3 X 202 = 1200 3 X 20 X 3 Ans . 231 . 1 2 3 2 6 3 9 ... cube of tens cannot give less than thousands , we must find that cube in the two left - hand periods ; and as we have ...
... cube root of 12326391 ? FIRST OPERATION . 23 = Trial divisor , 3 X 202 = 1200 3 X 20 X 3 Ans . 231 . 1 2 3 2 6 3 9 ... cube of tens cannot give less than thousands , we must find that cube in the two left - hand periods ; and as we have ...
Σελίδα 382
... cube in the left - hand period , and write its root as the first figure of the required root . From that period subtract the cube , and to the remainder bring down the next period for a dividend . Multiply the square of the root figure ...
... cube in the left - hand period , and write its root as the first figure of the required root . From that period subtract the cube , and to the remainder bring down the next period for a dividend . Multiply the square of the root figure ...
Σελίδα 383
... cube root , except that two ciphers must be placed at the right of a true divisor when it is not contained in its ... cube root of 77308776 ? 4. What is the cube root of 25 ? Ans . 426 . Ans .. 5. What is the cube root of 84.604519 ? 6 ...
... cube root , except that two ciphers must be placed at the right of a true divisor when it is not contained in its ... cube root of 77308776 ? 4. What is the cube root of 25 ? Ans . 426 . Ans .. 5. What is the cube root of 84.604519 ? 6 ...
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12 per cent acres amount annexed annuity Arithmetic arithmetical series balance barrels becomes due bill bought bushels carats ciphers column common difference common fraction compound interest compound numbers contain continued fraction cords cost cube root cubic diameter Divide dividend division dollars equal EXAMPLES exchange expressed decimally figures gain gallons given number given rate grain greatest common divisor Hence hogshead hundred inches indorser last term least common multiple less longitude lowest terms miles minuend mixed number months multiplicand Multiply NOTE number denoting number of days number of terms obtain paid par value payable payment pound sterling pounds premium present worth prime factors principal proportion quantity quotient rate per cent ratio received Reduce remainder repetend RULE SECOND OPERATION shillings side sold square root subtract tens third thousand tons trial divisor true divisor weight whole numbers wine write yards