Question

21. The value of k for which the system of the equation x +y - 4 = 0 and 2x + ky = 3 has no solution
(a) -2
(b) 2
(c) + 2
(d) 2​

Answer 1

Answer:

correct option is (2)

Step-by-step explanation:

i hope it's helps you

Answer 2

Answer:

Option b) 2

Step by step explanation:

x+y−4=0

2x+ky=3⇒2x+ky−3=0

a1^x+b1y+c1=0

a2^x+b1^y+c1=0

For no solution,

a1/a2= b1/b2 is not equal to c1/c2

so, 1/2= 1/k is not equal to -4/-3

1/2=1/k

Hence, k= 2