If number of rows in matrix A is 10 and number of elements = 70 . Also if B has same rows as columns in matrix A . Then find number of columns in B if it has 21 elements
- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.
- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.
Chapter/Subject/Full Mock Tests for JEE Main, Personalized Performance Report, Weakness Sheet, Complete Answer Key,.
Personalized AI Tutor and Adaptive Time Table, Self Study Material, Unlimited Mock Tests and Personalized Analysis Reports,.
An exhaustive program for the complete preparation of Physics Chemistry Mathematics English and Aptitude of VITEEE, Adaptive Time Table, Chapterwise Questions, Concepts Flashcards for Quick and Effective Revision, Unlimited Chapter wise Subject wise and Full mock test for enhancing Speed & Accuracy,.
As we have learned
Compact form of matrix -
- wherein
aij - element of the ith row and jth column
m - no. of rows
n - no. of columns
Given
Thus
Also ,
Thus