A square matrix aij, aij=0 for i≠j and aij=k (constant) for i = j is called a

Book Online Demo

Check Your IQ

Try Test

Courses

Offline Centres

A square matrix $[a_{ij}], a_{ij} = 0$ for $i \neq j$ and $a_{ij} = k$ (constant) for i = j is called a

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

Unit matrix

Null matrix

Scalar matrix

Diagonal matrix

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

In a scalar matrix all the principle diagonal elements are same & remaining elements are Zero.

$∴ a_{ij} = K, for i = j ∴ A is a scalar matrix$

Watch 3-min video & get full concept clarity

JEE

NEET

Foundation JEE

Foundation NEET

CBSE