Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Need solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 33 maths textbook solution.

Need solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 33 maths textbook solution.

Answers (1)

Answer: -81

Hint: Here we use basic concept of determinant of matrix

Given : |A|=-1

\begin{aligned} &|B|=3 \\ &|3 A B|=? \end{aligned} A and B 3 \times 3 order of matrices So, n=3

Solution :

Here,

\begin{aligned} &|3 A B|=|3 A| \times|B| \\ &=3^{n}|A| \times|B| \quad\left[|k A|=k^{n}|A|\right] \\ &=3^{3} \times-1 \times 3 \\ &=27 \times 3 \times-1 \\ &|3 A B|=-81 \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

Looking forward to interacting with students at Pariksha Pe Charcha 2026: PM Narendra Modi
anam-khan

CBSE Exam Dates 2026 LIVE: CBSE Class 10th, 12th revised date sheet at cbse.gov.in; how to download, updates
anam-khan

CBSE board exam 2026 scheduled on March 3 postponed for Class 10, 12; revised date sheet out

Latest Question