Question

find the value of p for which the pair of linear equations x+2y=2 and 2x+py=5 has no solution.​

Answer 1

Step-by-step explanation:

a1=1, a2=2, b1=2, b2=p, c1=-2,c2=-5

condition for no solution

a1/a2=b1/b2is not equal to c1/c2

a1/a2=b1/b2

1/2=2/p

p=4

Hence p=4for no solution