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Βιβλία Βιβλία 1 - 10 από 34 για Add to the first term the product of the common difference into the number of terms....
" Add to the first term the product of the common difference into the number of terms less one, and the sum will be the last term. "
Higher Arithmetic: Designed for the Use of High Schools, Academies, and Colleges - Σελίδα 98
των George Roberts Perkings - 1841 - 252 σελίδες
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Elements of Arithmetic, Theoretical and Practical: Adapted to the Use of ...

Ferdinand Rudolph Hassler - 1826 - 215 σελίδες
...given, to find the number of terms. When the first term is subtracted from the other term given, we have the product of the common difference into the number of terms less one as re J mainder; dividing this therefore by the common difference, we have the number of the term,...

An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - 1827 - 332 σελίδες
...^=a^- (n— l)Xd; that is, 425. In an arithmetical progression, the last term is equal to the first, + the product of the common difference into the number of terms less one. Any other term may be found in the same way. For the series may be made to stop at any term, and that...

An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - 1831 - 332 σελίδες
...z=a.\-(n — l) xd; that is, 425. In an arithmetical progression, the last term is equal to thefirst,-\- the product of the common difference into the number of terms less one. Any other term may be found in the same way. For the series may be made to stop at any term, and that...

The tutor's assistant: being a compendium of practical arithmetic, for the ...

Francis Walkingame - 1833
...tujind the less extreme. , RULE. Divide the sum by the number of terms : from the quotient subtract half the product of the common difference into the number of terms less 1 ; and the remainder will be the less extreme. (10) A man is to receive £360. at 12 several payments,...

The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

1836 - 472 σελίδες
...they form a descending series. In an arithmetical progression, the last term is equal to the first, + the product of the common difference into the number of terms less one. In an ascending series, the first term is the least, and the last the greatest. In a descending series,...

Elements of Algebra: Being an Abridgment of Day's Algebra, Adapted to the ...

Jeremiah Day, James Bates Thomson - 1844 - 252 σελίδες
...and the sum will be the last term. (2.) To find the last term of a descending series. From the first term subtract the product of the common difference into the number of terms less one, and the remainder will be the last term. NB Any other term may be found in the same way. For the series...

Elements of Algebra: Being an Abridgment of Day's Algebra, Adapted to the ...

Jeremiah Day, James Bates Thomson - 1844 - 252 σελίδες
...and the sum will be the last term. (2.) To find the last term of a descending series. From the first term subtract the product of the common difference into the number of terms Jess one, and the remainder will be the last term. NB Any other term may be found in the same way....

Elements of Algebra: Being an Abridgement of Day's Algebra Adapted to the ...

Jeremiah Day - 1844 - 252 σελίδες
...z=a±(n — l)xd; that is, 330. (1.) To find the last term of an ascending series, Add to the first term the product of the common difference into the number of terms less one, and the sum will be the last term. (2.) To find the last term of a descending series. From the first...

Watson's easy and comprehensive introduction to algebra

William Watson (of Beverley.) - 1844
...母 10 凡 THEOREM 3 43 The la8t term (/) of an increa8ing series is equal to the fir8t term, pita the product of the common difference into the number of terms less one; but minus that product when decre㏄ing; thus representing the number of terms of 口 + ゆ + の +...

A Treatise on Algebra

Elias Loomis - 1846 - 346 σελίδες
...called the last term when the number of terms is n. Hence, The last term is equal to the first, ± the product of the common difference into the number of terms less one. In what follows we shall consider the progression an increasing one, since all the results which we...




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