Question

For what value of K the following pair of equations have

unique solutions.

3x+4y=5

2x+Py=1 ​

Answer 1

Answer:

Given

3x+4=5

2x+ Py=1

Since, the equations have unique solution

Therefore, a¹/a² not equal to b¹/ b²

=> 3/2 not equal to 4/P

=> 3P not equal to 8

=>P not equal to 8/3

Therefore ,for all P except 8/3 , the given pair of equations have a unique solution .

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