Q98. If Rc and Ra are the row ranks of the coefficient matrix and the augmented matrix respectively, and n is the number of variables, then the system is consistent and has a unique solution only when:Mathematics — Matrices and Determinants — Question 98 of 98A. Rc = Ra = nB. Rc ≠ RaC. Rc = Ra < nD. Rc = Ra ≠ nPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question