Matrices and Determinants 4 Question 18

19. Given, 2xy+2z=2,x2y+z=4,x+y+λz=4, then the value of λ such that the given system of equations has no solution, is

(2004, 1M)

(a) 3

(b) 1

(c) 0

(d) -3

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Answer:

Correct Answer: 19. (b)

Solution:

  1. Since, given system has no solution.

Δ=0 and any one amongst Δx,Δy,Δz is non-zero.

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