3 & 2 & 1 2 -2 -1 = - Vidyadip

MCQ

$ \begin{bmatrix}3 & 2 & 1\end{bmatrix} \begin{bmatrix}2 \\ -2 \\ -1\end{bmatrix}=$

A
[2]
B
1
✓
[1]
D
2

✓

Answer

Correct option: C.

[1]

[1]

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