Question

the value of k for which the pair of equations kx-2y=3 and 5x-4y=2 will have infinitely many solutions is _________. A) 12/3 B) -11/2 C) 11/2 D 15/2

kuch nahi doctor ne rest karne bola he ​

Answer 1

Answer:

none of the above.. ans is 5/2

Answer 2

Answer:

15/2

Step-by-step explanation:

a1/a2= b1/b2= c1/c2

k/5= -2/-4= -3/-2

k/5= -3/-2

k ✖ -2= -3 ✖ 5

-2k = -15

K = -15/-2

K = 7.5