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If A={bmatrix} 1 & -2 & 1 2 & 1 & 3 {bmatrix} and B={bmatrix}

Question

If $A = [12 - 2 1 13]$ and $B = ⎣ ⎡ 231121 ⎦ ⎤$ , then $(A B)^{'}$ is equal to

[- 3 10 - 2 7]

[- 3 - 2 107]

[- 3 7 10 - 2]

None of these

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Charlotte Discussed

A = [12 - 2 1 13]

and

B = ⎣ ⎡ 231121 ⎦ ⎤

, then

(A B)^{'}

is equal to

13 mins ago

Discuss this question LIVE

13 mins ago

Text solutionVerified

A = [12 - 2 1 13] B = ⎣ ⎡ 231121 ⎦ ⎤

(A B)^{T} = ?

A B = [12 - 2 1 13] ⎣ ⎡ 231121 ⎦ ⎤

A B = [2 - 6 + 1 4 + 3 + 3 1 - 4 + 1 2 + 2 + 3]

A B = [- 3 10 - 2 7]

(A B)^{^{'}} = [- 3 - 2 107]

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