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Find the additive inverse of matrix A = 

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Bihar STET Paper I: Mathematics (Held In 2019 - Shift 1)
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  1. A = 
  2. −A = 
  3. 2A = 
  4. none of these

Answer (Detailed Solution Below)

Option 2 : −A = 
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Detailed Solution

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Concept use:

Additive inverse of matrix of 2 × 2 order  =

Calculation:

We have the matrix A = \(\left[\begin{array}{cc}2 & 1 \\ −3 & 0\end{array}\right]\)

Now additive inverse of matrix A  =  = 

(2) is correct

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