StreakPeaked· Practice

ExamsJEE MainGeneral

If A = ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ − − 1 4 3 2 , then adj (3A 2 + 12A) is equal to

  1. ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ 72 84 63 51
  2. ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ 72 63 84 51
  3. ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ − − 51 84 63 72
  4. ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ − − 51 63 84 72

Correct answer: ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ 72 84 63 51

Related JEE Main General questions

⚔️ Practice JEE Main General free + battle 1v1 →