AP EAMCET · Maths · Determinants
If \(a b c \neq 0\) and the system of equations \(x+7 a y+2 a z=0, x+6 b y+2 b z=0\), \(x+5 c y+2 c z=0\) has a non-trivial solution, then \(a, b, c\) are in
- A harmonic progression
- B geometric progression
- C arithmetic progression
- D arithmetic-geometric progression
Answer & Solution
Correct Answer
(A) harmonic progression
Step-by-step Solution
Detailed explanation
Given, system of linear equation, \(a b c \neq 0\), is \[ x+7 a y+2 a z=0, x+6 b y+2 b z=0 \] and \(x+5 c y+2 c z=0\) has a non-zero trivial solution.…
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