#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
A set of linear equations is represented by the matrix equation Ax – b. The necessary condition for the existence of a solution for this system is:

Select one correct option:

Det (A) = 0 Correct 💪 In-correct 🧐
A must be invertible Correct 💪 In-correct 🧐
B must be linearly dependent on the columns of A Correct 💪 In-correct 🧐
B must be linearly independent of the columns of A Correct 💪 In-correct 🧐
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