if the pair of linear equations has unique solution then the lines are what lines
1)intersecting lines
2)parallel lines
3)coincident lines
4)perpendicular lines
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Answer:
Answer is :. (1) Intersecting lines.
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The lines are (1) intersecting lines.
Given: The pair of linear equations has a unique solution.
To Find: The lines are what lines
Solution:
We shall evaluate each of the given lines one by one:-
- If the pair of lines are coincident, then it has an infinite number of solutions.
- If the pair of lines are parallel, then the pair of the equation is inconsistent and hence it has no solution.
- If the pair of lines are intersecting, then the pair of the equation is consistent and has a unique solution.
Coming to the numerical, we are given that the pair of linear equations has a unique solution, so from the 3rd bullet point we can say that the lines are intersecting lines
Hence, the lines are (1) intersecting lines.
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