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Gurmandeep Singh Sootdhar Grade: 11
        Let the three digit numbers A28,3B9,62C where A, B, C are integers between 0 and 9 , be divisible by a fixed integer k. Show that the determinant                                                                                        A   3   6                                              8   9   C                                                2   B   2is divisible by k


7 years ago

## Answers : (1)

SHAIK AASIF AHAMED
74 Points
										Hello student,Please find the answer to your question belowAsA28,3B9,62C where A, B, C are integers between 0 and 9 , be divisible by a fixed integer k then there exist m1,m2,m3 such that100A+20+8=km1300+10B+9=km2600+20+c=km3Applying R2=R2+100R1+10R2 we getWhereis an integerSince A,m1,m2,m3,B are integersThusis divisible by k

3 years ago
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