Let A - begin bmatrix 4 - 6 -111380 - 2 118-2 - x 1lend bmatrix - B - beginbmatrix 2 - 4110 - 11 -1 - 2 1end bmatrix and C -312- - The expression which is not defined isA- B-BB- CABC- A - B -D- A2-A

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Byju's Answer

Standard IX

Mathematics

Multiplication of Matrices

Let A = begin...

Question

Let $A = ⎡ ⎢ ⎣ \begin{matrix} 4 & 6 & - 1 3 & 0 & 2 1 & - 2 & 5 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 4 0 & 1 - 1 & 2 \end{matrix} ⎤ ⎥ ⎦$ and C = [3 1 2]. The expression which is not defined is

B'B

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CAB

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A+B'

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A^{2} + A

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Solution

The correct option is C A+B'
We can see from the options that if we take transpose of B, B' will be of 2 x 3 matrix which cannot be added to a 3 x 3 matrix, as for the addition the order should be same.

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Similar questions

Let $A = ⎡ ⎢ ⎣ \begin{matrix} 4 & 6 & - 1 3 & 0 & 2 1 & - 2 & 5 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 4 0 & 1 - 1 & 2 \end{matrix} ⎤ ⎥ ⎦$ and C = [3 1 2]. The expression which is not defined is

Q. Let

A = ⎡ ⎢ ⎣ \begin{matrix} 4 & 6 & - 1 3 & 0 & 2 1 & - 2 & 5 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 4 0 & 1 - 1 & 2 \end{matrix} ⎤ ⎥ ⎦

and C = [3 1 2]. The expression which is not defined is

Q. Let,

A = ⎡ ⎢ ⎣ \begin{matrix} 4 & 6 & - 1 3 & 0 & 2 1 & - 2 & 5 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 4 0 & 1 - 1 & 2 \end{matrix} ⎤ ⎥ ⎦

and C = [\begin{matrix} 1 & 2 & 3 \end{matrix}]

The expression which is not defined is:

Q. Let,

A = ⎡ ⎢ ⎣ \begin{matrix} 4 & 6 & - 1 3 & 0 & 2 1 & - 2 & 5 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 4 0 & 1 - 1 & 2 \end{matrix} ⎤ ⎥ ⎦

and C = [\begin{matrix} 1 & 2 & 3 \end{matrix}]

The expression which is not defined is:

Let A = $[\begin{matrix} 1 & 6 2 & 5 \end{matrix}]$ , B = $[\begin{matrix} 3 & 4 4 & 9 \end{matrix}]$ then A + B = $[\begin{matrix} 4 & 6 10 & 14 \end{matrix}]$

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Let A=⎡⎢⎣46−13021−25⎤⎥⎦,B=⎡⎢⎣2401−12⎤⎥⎦and C = [3 1 2]. The expression which is not defined is

The correct option is C A+B'We can see from the options that if we take transpose of B, B' will be of 2 x 3 matrix which cannot be added to a 3 x 3 matrix, as for the addition the order should be same.

Let $A = ⎡ ⎢ ⎣ \begin{matrix} 4 & 6 & - 1 3 & 0 & 2 1 & - 2 & 5 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 4 0 & 1 - 1 & 2 \end{matrix} ⎤ ⎥ ⎦$ and C = [3 1 2]. The expression which is not defined is

The correct option is C A+B'
We can see from the options that if we take transpose of B, B' will be of 2 x 3 matrix which cannot be added to a 3 x 3 matrix, as for the addition the order should be same.