CUET Mathematics - Let A = PQ. The elementary operation on A, that produces the same effect as it does on applying on P and keeping Q unchanged is : (A) R_i rightarrow R_j (B) R_i R_i + KR_j (C) C_i KC_i (D) C_i C_i + KC_j Choose the **correct** answer from the options given below : | PYQs + Solutions | AfterBoards