Request a call back

# CBSE Class 12-science Answered

why cant we divide a matrix
Asked by Pawan kalyan | 24 Apr, 2013, 05:14: PM Expert Answer
The formal definition of division is actually given in terms of multiplication. a/b is defined to mean ab', where b' is the multiplicative inverse of b. The stuff the teach you early on in school about how division means "how many times one number goes into another number" is only the intuitive interpretation of division in the real numbers, and it makes no sense in other systems.

With this idea in mind, a logical matrix division A/B would be defined as AB^-1, where B^-1 is the inverse matrix of B. However, only square matrices with nonzero determinants have inverses, so this would be a very restricted operation. Fortunately, it doesn't matter. Division is only really a relevant operation in a field, and matrices pretty much never form a field, just vector spaces and modules.
Answered by | 25 Apr, 2013, 07:07: AM

## Concept Videos

CBSE 12-science - Maths
Asked by Shaikmahboob102003 | 29 Jun, 2022, 05:12: PM ANSWERED BY EXPERT
CBSE 12-science - Maths
Proof LHS=RHS Asked by shivamaihar25 | 03 Jul, 2021, 10:33: PM ANSWERED BY EXPERT
CBSE 12-science - Maths
topic- matrices Asked by cheragsaxena1607 | 26 Jun, 2021, 01:18: PM ANSWERED BY EXPERT
CBSE 12-science - Maths
If 3 2x-7 4 5x-7 1 2x-5 4 x-1 -1 is a skew- symmetric matrix then x is equal to: Asked by varunchauhan097 | 25 Apr, 2021, 08:09: PM ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by yadavyogi294 | 07 Oct, 2020, 09:41: AM ANSWERED BY EXPERT
CBSE 12-science - Maths
6, 7, Asked by fizzapanda | 06 Oct, 2020, 12:30: PM ANSWERED BY EXPERT
CBSE 12-science - Maths
quikly Asked by ashishkohar00 | 30 Sep, 2020, 11:59: AM ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by ronitrawat267 | 30 Sep, 2020, 09:16: AM ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by vikaskumawat037 | 09 Sep, 2020, 09:58: PM ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by danapalanandhan | 27 Jul, 2020, 06:59: PM ANSWERED BY EXPERT