If A is $3 \times 3$ matrix and u is a vector. If Au and u are thogonal for all real u, then matrix A is a

singular

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Updated on:21/07/2023

Class 12 MATHS VECTOR ALGEBRA

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If A is 3×3 matrix and u is a vector. If Au and u are thogonal for all real u, then matrix A is a

The correct Answer is:A

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ARIHANT MATHS-PRODUCT OF VECTORS-Exercise (Questions Asked In Previous 13 Years Exam)

If A is $3 \times 3$ matrix and u is a vector. If Au and u are thogonal for all real u, then matrix A is a