Use app×
Ask a Question
QUIZARD
QUIZARD
JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE

Using properties of determinants, solve the following for x: |(x+a,x,x),(x,x+a,x),(x,x,x+a)|=0

← Prev Question Next Question →
0 votes
7.5k views
in Mathematics by (53.1k points)
Using properties of determinants, solve the following for x:

|(x+a,x,x),(x,x+a,x),(x,x,x+a)|=0
Challenge Your Friends with Exciting Quiz Games – Click to Play Now!

1 Answer

0 votes
by (266k points)
 
Best answer

Let

= (3x + a) (0 + a) [Expanding along R1]
= a (3x + a) = 3ax + a2 

← Prev Question Next Question →

Find MCQs & Mock Test

  1. JEE Main 2026 Test Series
  2. NEET Test Series
  3. Class 12 Chapterwise MCQ Test
  4. Class 11 Chapterwise Practice Test
  5. Class 10 Chapterwise MCQ Test
  6. Class 9 Chapterwise MCQ Test
  7. Class 8 Chapterwise MCQ Test
  8. Class 7 Chapterwise MCQ Test

Related questions

0 votes
1 answer
Using properties of determinants, solve for x :
asked Nov 10, 2018 in Mathematics by Aria (6.3k points)

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.

Categories

User Contribution to Sarthaks eConnect
Managed by Sarthaks Digitizing India
...