Question

For which values of P does the pair of equations given below has unique solution?
4x + py + 8 = 0
2x + 2y + 2 = 0​

Answer 1

Step-by-step explanation:

since the given pair of equation have unique solution

therefore, a1/a2 ≠ b1/ b2

therefore , 4/2≠p/2

2≠p/2

p≠4