DeterminantHard
Question
Let a, b, c positive numbers. The following system of equations in x, y and z.
= 1 ; 
= 1 ; - 
= 1 has :
= 1 ; = 1 ; - = 1 has : Options
A.No solution
B.unique solution
C.infinitely many solution
D.finitely many solutions
Solution
ᐃ = 
by R1 → R1 + R2, R2 → R2 + R3
ᐃ =
D ≠ 0 Here equations are of second degree so, more than one finite solution.
by R1 → R1 + R2, R2 → R2 + R3ᐃ =
D ≠ 0 Here equations are of second degree so, more than one finite solution.
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