Solve this: If A=4-5-111-3123-7 , find A-1 Using A-1, Solve the system of linear equations : 4x - 5y - Maths - Determinants

Question

Solve this:
If A = 4 - 5 - 11 1 - 3 1 2 3 - 7 , find A-1 Using
A-1,
Solve the system of linear equations :
4x - 5y - 11z = 12, x - 3y + z = 1, 2x + 3y - 7z = 2

Amit Shukla · Accepted Answer

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https://www meritnation
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Solve this: If A = 4 - 5 - 11 1 - 3 1 2 3 - 7 , find A-1. Using A-1, Solve the system of linear equations : 4x - 5y - 11z = 12, x - 3y + z = 1, 2x + 3y - 7z = 2.

Solve this:
If $A = [\begin{matrix} 4 & - 5 & - 11 \\ 1 & - 3 & 1 \\ 2 & 3 & - 7 \end{matrix}]$ , find A^-1. Using A^-1,
Solve the system of linear equations :
4x - 5y - 11z = 12, x - 3y + z = 1, 2x + 3y - 7z = 2.