Write the condition for having a unique solution in the following pair of linear equations in two variables lx +my= p and tx+ny=r .
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4
unique solution = where a^b is not equal to c^d
so here the answer is
l^t isnot equal to m^t
so here the answer is
l^t isnot equal to m^t
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0
a1/a2is not equal to b1/b2
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