Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 65 Maths Textbook Solution.

Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 65 Maths Textbook Solution.

Answers (1)

Answer: Possible matrix is 81 ways

Hint: Here we use basic concept of matrix algebra

Given: All possible matrix 2\times2with entry 1,2,3

Solution:

Let \begin{bmatrix} a & b\\ c & d \end{bmatrix}_{2\times2}

\! \! \! \! \! \! \! \! So, a=1,2\: or\: 3=3 ways\\ b=1,2\: or\: 3=3 ways\\ c=1,2\: or\: 3=3 ways\\ d=1,2\: or \: 3=3 ways\\ Total \: possible \: ways =3^{4}\\ =81\: ways

 

Posted by

infoexpert27

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

PM Modi's Pariksha Pe Charcha 2025 to be held next month, registrations open till January 14
anam-khan

CBSE Board Exams 2025: Online portal for availing exemptions by CWSN students opens
anam-khan

Board Exams: States agree to equivalence; no question paper ‘jumbling’ from next year, says PARAKH CEO

Latest Question