Exemplar problems XVII — task. Mathematics CBSE, Class 10.

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For all real values of

$c$ , the pair of equations

$x - 2y = 8$ ;

$5x - 10y = c$ have a unique solution. Justify whether it is true or false.

Answer:

The given statement is

False, because the pair of equations does not have a unique solution.
True, because the pair of equations have a unique solution.

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