Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
+1 vote
1.1k views
in Determinants by (33.4k points)
closed by

If A is a square matrix and |A| = 2, then write the value of |AA′|, where |A′| is the transpose of matrix A.

1 Answer

+1 vote
by (36.2k points)
selected by
 
Best answer

|AA′|=|A|.|A′| = |A|.|A| = |A|2 = 22 = 4

[Note: |A|.|B| and |A|=∣∣AT∣∣, where A and B are square matrices.]

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...