Q.

The number of values of ‘k’ for which the system of equations k+1x+8y=4k, kx+(k+3)y=3k−1 has no solution, is

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

1

b

2

c

3

d

Infinite

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

As the system of equations has no solution⇒k+1k=8k+3≠4k3k-1 Now, (k+1)(k+3)=8k⇒k2+4k+3=8k⇒k2-4k+3=0⇒k=1,3But for k=1, the inequality is not satisfied. ⇒k=3 is the only value.
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon