Question

for what value of p the lair of linear equation px-y=2,6x-2y=3 have unique solution​

Answer 1

Answer:

px-y=2------(1)

6x-2y=3------(2)

multiply eq 1 by 2.

2px-2y=4-------(3)

6x-2y=3--------(4)

add eq 3 and 4

we get

6x+2px=7

p = (7-6x) /2x

(7-6x) -