Question

how we identify unique solution , no solution and infinite many solutions ???​

Answer 1

Hᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ

✎ A nxn homogeneous system of linear equations has a unique solution (the trivial solution) if and only if its determinant is non-zero. If this determinant is zero, then the system has an infinite number of solutions.

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