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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
If $a + b + c \neq 0$, the system of equations:
$(b+c)(y+z) - ax = b - c$
$(c+a)(z+x) - by = c - a$
$(a+b)(x+y) - cz = a - b$
has:
Solution
This is a symmetric linear system.Solving gives the unique solution:
$x = y = z = 0$
Since $a+b+c \neq 0$, determinant $\neq 0$ → unique solution.
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