Class 12 Matrices · Mcq Single Correct1 Marksmatrix_operations
Class 12 Maths · Matrices · Mcq Single Correct #76
For the row matrix A=[1 2 3], find AAᵀ.
✅ Step-by-Step Solution
Final Answer: Option (D): \(\begin{bmatrix}14\end{bmatrix}\)
- A is 1×3 and Aᵀ is 3×1, so AAᵀ is the 1×1 matrix [1²+2²+3²]=[14].
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