CUET Mathematics - If P, Q and R are three singular matrices given by P = bmatrix 2 & 3 \\ 4 & 6 bmatrix, Q = bmatrix 3 & 6 \\ 0 & 0 bmatrix and R = bmatrix a^2 + b^2 - c & 1 - c \\ c + 1 & c bmatrix, then the value of (2a + 6b + 17c) is | PYQs + Solutions | AfterBoards