Q22. Which of the following terms correctly describes the 2×2 identity matrix, often denoted as I2, which has ones on the main diagonal and zeros elsewhere?Mathematics — NUST Mock By Dogers 2 — Question 22 of 200A. Unit matrixB. Scalar matrixC. Diagonal matrixD. All of the abovePractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →