Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Explain solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 37 maths textbook solution.

Explain solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 37 maths textbook solution.

Answers (1)

best_answer

Answer: x=\pm 2

Hint: Here we use basic concept of determinant of matrix

Given: \left|\begin{array}{cc} x & 4 \\ 2 & 2 x \end{array}\right|=0 find x 

Solution :

\begin{aligned} &\text { Let } \Delta=\left|\begin{array}{cc} x & 4 \\ 2 & 2 x \end{array}\right|=0 \\ &2 x(x)-[4 \times 2]=0 \\ &2 x^{2}-8=0 \\ &2 x^{2}=8 \\ &x^{2}=4 \\ &x=(-2) \text { or } x=2 \end{aligned}

Posted by

infoexpert23

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE Class 12 Business Studies Exam Analysis: Easy, balanced paper; questions from NCERT
anam-khan

CBSE Class 12 business studies, business administration exams today; Guidelines
anam-khan

CBSE 2023 Exam: Class 12 Informatics Practices, Computer Science exam analysis, students' reaction here

Latest Question