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
0 votes
473 views
in Linear Equations by (49.9k points)
closed by

If A is a 3-rowed square matrix and │3A│= k │A│ then k = ? 

A.

B.9 

C. 27 

D.1

1 Answer

+1 vote
by (55.0k points)
selected by
 
Best answer

Since the matrix is of order 3 so 3 will be taken common from each row or column. 

So, k = 27 

Tagging

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.

...