Matrices — Class 12 Maths Solution

ncert exercise SA NCERT,Ex.3.4,Q.No.18,Page.97
Question

Matrices A and B will be inverse of each other only if

  • (a) $AB = BA$
  • (b) $AB = BA = 0$
  • (c) $AB = 0,{\rm{ }}BA = {\rm{ }}I$
  • (d) $AB = BA = I$
Step-by-step Solution

.:

Option d is correct

Matrices A and B will be inverse of each other only if, AB = BA $-$1.

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NCERT & Exemplar solution for CBSE Class 12 Mathematics, Matrices. Curated by Sachin Sharma. Free for all students.