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" The sum of the logarithms of any two numbers is equal to the logarithm of their product. Therefore, the addition of logarithms corresponds to the multiplication of their numbers. "
Trigonometry, Plane and Spherical: With the Construction and Application of ... - Σελίδα 41
των Thomas Simpson - 1748 - 77 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

A Treatise of Algebra in Two Books: The First Treating of the Arithmetical ...

Philip Ronayne - 1717 - 478 σελίδες
...the Logarithm of of the Product of the faid two (natural ) Numbers : And confequently the Remainder of the Logarithms of any two Numbers, is equal to the Logarithm of the Quotient of the " faid two Numbers ; as alfo twice three times, four times, &c. or one half, one third,...

An Introduction to the Doctrine of Fluxions

John Rowe - 1767 - 266 σελίδες
...how a Ci/oid is generated, art. 34. note. t> a—x-\-ca> x Hyp. Log. of a = (becaufe the Difference of the Logarithms of any two numbers is equal to the Logarithm of their ._ . L . 2 Quotient,) — cxxHyp. Log. of - = the Content of the J a — x Solid ABH required....

Elements of Algebra for the Use of Students in Universities: To which is ...

William Trail - 1796 - 334 σελίδες
...;-'-<' '-,••',;- --'-I": 3. Hence the properties of logarithms are eafily deduced. I*''The fum of the logarithms of any two numbers is equal to the logarithm of their product. Le-t b and c be the numbers, m and M their logarithms,^ that am—ti^ and a" =<r, then...

An Introduction to Algebra: With Notes and Observations; Designed for the ...

John Bonnycastle - 1806 - 234 σελίδες
...them, as one half of the terms will, in that cafe, be entirely deftroyed. Since, therefore, the fum of 'the logarithms of any two numbers is equal to the logarithm of the produit of thofe numbers, it is manifeft that 2_r+ — ц -- &c. will truly exprefs the logarithm of...

Encyclopædia Britannica: or, A dictionary of arts and sciences ..., Τόμος 12

Encyclopaedia Britannica - 1810 - 816 σελίδες
...logarithms of all numbers within certain limits may be applied to Amplify calcular tions : for (ince the fum of the logarithms of any two numbers is equal to the logarithm of their produit ; it follows, that as often as we have occafion to find the produit of two or more numbers,...

An Introduction to Algebra: With Notes and Observations: Designed for the ...

John Bonnycastle - 1811 - 230 σελίδες
...either of them, as one half of the terms will, in that case, be entirely destroyed. Since, therefore, the sum of the logarithms of any two numbers is equal to the logarithm of the product of those numbers, it is manifest that 2x + M«3 Q-r5 1 I 3.' ^— -4 , &c. will truly express the logarithm...

The Elements of Euclid; viz. the first six books, together with the eleventh ...

Euclides - 1814 - 560 σελίδες
...the powers of 1 + a, the numbers 3, 4 ; 5, &c. for the same reasons, will fall into the series. 6. The sum of the logarithms of any two numbers is equal to the logarithm of the riroduct of the same two nnmbm Thus if 1 + a raised to the w th power be equal to the number N, and...

The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - 1816 - 588 σελίδες
...the powers of 1 -t. a, the numbers 3, 4, 5, &c. for the same reasons, will fall into the series. 6. The sum of the logarithms of any two numbers is equal to the logarithm of the product of the same two numbers. Thus if 1 .+• a raised to the ntb power be equal to the number N, and if I...

Encyclopaedia Perthensis; Or Universal Dictionary of the Arts ..., Τόμος 13

1816 - 746 σελίδες
...divifion, involution, and evolution, may be performed with.great facility. (*»•) For, fince_ the fum of the logarithms of any two numbers is equal to the logarithm of their product, } 3 ; the product of any two numbers will be found in the table oppofite to that logarithm...

Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and ..., Τόμος 12

1823 - 856 σελίδες
...logarithms of all numbers within certain limits may be applied to simplify calculations ; for since the sura of the logarithms of any two numbers is equal to the logarithm of their product, it follows, that as often as we have occasion to find the product of two or more numbers,...




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