Ankur posted an Question
February 09, 2021 • 19:45 pm 30 points
  • IIT JAM
  • Mathematics (MA)

141. let a be a m xn matrix. consider the equation. ax=b which of the following is/are correct (a) if the equation (1) admits a solutions for all be r" then n m

141. Let A be a m xn matrix. Consider the equation. AX=b Which of the following is/are correct (a) If the equation (1) admits a solutions for all be R" then n must be greater 143 than or equal to m. (b) (b) If the equation (1) admits a unique solution for some beR", then n must be greater than or equal to m. (c) If the equation (1) admits two distinct solutions for some beR" then m must be greater than or equal to n. (d) If for all be R", the equation (1 admits a solutions that is unique then n must be equal to m. Ans [CMI-20141

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