GATE Civil Engineering (CE) 2018 Shift 1 Solved Paper

Question : 35 of 65

Marks: +1, -0

Which one of the following matrices is singular?

Solution:

Option

(a):|\A|=6-5=1

Option (b):

|\A ∣=9-4=5

Option (c):

|\A ∣=12-12=0

Option (d):

|\A ∣=8-18=-10

Hence matrix (c) is singular.

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