Find the value of p for which the pair of linear equation px=2y,2x-y+5=0 has unique solution
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px - 2y =0 (eq.1)
2x - y +5 (eq.2)
in unique solution A1/A2 not equal to B1/B2
p/2 is not equal to 2/-1
so for any value of p except 2 it is a unique solution .
2x - y +5 (eq.2)
in unique solution A1/A2 not equal to B1/B2
p/2 is not equal to 2/-1
so for any value of p except 2 it is a unique solution .
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