HCF = 81 => numbers are 81m and 81n where m and n are co-prime factors. 81(m+n) = 1215 m+n = 15. => set of {m, n} are : {1, 14}{2,13}, {4, 11}, {7, 8}, {8, 7}, {11,4}, {13, 2}, {14,1}
#Note : Co-prime numbers : The numbers which do not have any common factors to each other.
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sandhya1511
The number of such pairs are (7,8),(8,7),(14,1),(1,14),(2,13),(13,2)
Answers & Comments
HCF = 81
=> numbers are 81m and 81n where m and n are co-prime factors.
81(m+n) = 1215
m+n = 15.
=> set of {m, n} are :
{1, 14}{2,13}, {4, 11}, {7, 8}, {8, 7}, {11,4}, {13, 2}, {14,1}
#Note : Co-prime numbers : The numbers which do not have any common factors to each other.
♡I hope it's help♡
(7,8),(8,7),(14,1),(1,14),(2,13),(13,2)