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# system

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Need help with system

Find the ordered quintuplet (a,b,c,d,e)  that satisfies the system of equations

a + 2b + 3c + 4d + 5e = 41

2a + 3b + 4c + 5d + e = 15

3a + 4b + 5c + 1d + 2e = 34

4a + 5b + 1c + 2d + 3e = 68

5a + 1b + 2c + 3d + 4e = 57

Jun 16, 2023

#1
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To find the ordered quintuplet (a, b, c, d, e) that satisfies the given system of equations, I can try solve the system using matrix operations. see below...

[ 1 2 3 4 5 ] [ a ] [ 41 ]
[ 2 3 4 5 1 ] * [ b ] = [ 15 ]
[ 3 4 5 1 2 ] [ c ] [ 34 ]
[ 4 5 1 2 3 ] [ d ] [ 68 ]
[ 5 1 2 3 4 ] [ e ] [ 57 ]

To solve this system, we can use matrix inversion. We'll calculate the inverse of the coefficient matrix and multiply it by the column matrix on the right-hand side to obtain the solution.

The inverse of the coefficient matrix can be found using various methods, such as Gaussian elimination or matrix algebra. PaybyPlateMa

Jun 16, 2023
#2
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a + 2b + 3c + 4d + 5e = 41

2a + 3b + 4c + 5d + e = 15

3a + 4b + 5c + 1d + 2e = 34

4a + 5b + 1c + 2d + 3e = 68

5a + 1b + 2c + 3d + 4e = 57

Use eliminations and substitutions to get:

a=(91 / 15);  b=(76 / 15);  c= (-59 / 15);  d=(-14 / 15);  e=(121 / 15)

Jun 16, 2023