पृष्ठम्:गणितसारसङ्ग्रहः॒रङ्गाचार्येणानूदितः॒१९१२.djvu/३१६

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120
GAŅITASĀRASAŃGRAHA.

the smaller group-value, so that a creeper-like chain of successive quotients may be obtained in this case also as before. Below the lowermost quotient in this chain, the optionally chosen multiplier of the last remainder in the odd position of order in this last successive division is to be put down; and below this again is to be put down the number which is obtained by adding the difference between the two group-values (already referred to) to the product (of the least remainder in the last odd position of order multiplied by the above optionally chosen multiplier thereof, and then by dividing the resulting eum by the last divisor in the

 

 

The rationale of this process will be clear from the following considerations:-


(iii) is an integer. In (i) Let the lowest value of

In (ii)       ,,        ,,        ,,        .
In (iii)      ,,        ,,        ,,        .

(iv) When both (i) and (ii) are to be satisfied, has to be euqal to , so that . That is .

From (iv), which is an indeterminate equation with the values o d and k unknown, we arrive, according to what has been already proved, at the lowest positive integral value of d/ This value of d multiplied by A1, and then increased by s1, gives the value of x which will satisfy (i) an (ii).

Let this be t1; and let the next higher value of x which will satisfy both these equations be t2.

(v) Now, ;
(vi) and .
.
.
Substituting in (v) and (vi), we have
.

From this it is obvious that the next higher value of x satisfying the two equations is obtained by adding the least common multiple of A1 and A2 to the lower value.

Now again, let v be the value of x which satisfies all the three equations.

Then , (where r is a positive integer) =(say) ; and .

.