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The existence of unique solution of the system of equations and depends on:
The existence of unique solution of the system of equations $x + y = \lambda$ and $5x + ky = 2$ depends on:
- (a)$\lambda$ only
- (b)$\frac{\lambda}{k} = 1$
- (c)both $k$ and $\lambda$
- (d)$k$ only
Answer
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From ISC 2025 Mathematics Paper 1, question 1(vi).