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Matrices and Determinants question

2021 · 26 Feb · Shift 2 · Q28
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Matrices and Determinants question

2021 · 26 Feb · Shift 2 · Q28

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
Consider the following system of equations : x + 2y −-− 3z = a 2x + 6y −-− 11z = b x −-− 2y + 7z = c, where a, b and c are real constants. Then the system of equations :
  1. A
    has no solution for all a, b and c
  2. B
    has a unique solution when 5a = 2b + c
  3. C
    has infinite number of solutions when 5a = 2b + c
  4. D
    has a unique solution for all a, b and c
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