Matrices and Determinants 4 Question 19

20. The number of values of k for which the system of equations (k+1)x+8y=4k and kx+(k+3)y=3k1 has infinitely many solutions, is/are

(2002, 1M)

(a) 0

(b) 1

(c) 2

(d)

Show Answer

Answer:

Correct Answer: 20. (b)

Solution:

  1. For infinitely many solutions, we must have

k+1k=8k+3=4k3k1k=1



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