# Basic Maths - Grand Test 1 -Q6

+2 votes

The value of $k$, for which the following system of equations does not have any solution is _____

$x_1+x_2+x_3 = 6$

$4x_1+kx_2-kx_3 = 0$

$3x_1+2x_2-4x_3 = -8$

asked Jun 21
reshown Jun 23

## 2 Answers

+1 vote
K=3 is correct one
answered Jun 23 by (17,270 points)
0 votes

K=3 is correct one.

Because rankA  < rank(AB)

So determinant of |A|=0

answered Jun 23 by (17,270 points)
Answer: