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NDA 2012
Exam
NDA
Year
2012
Subject
Mathematics
Chapter
Matrices

NDA 2012 · Mathematics · Matrices

What is the order of the product [ array lll x & y & z array ][...

What is the order of the product \left[xyz\begin{array}{lll} x & y & z \end{array}\right]\left[ahghbfgfc\begin{array}{lll} a & h & g \\ h & b & f \\ g & f & c \end{array}\right]\left[xyz\begin{array}{l} x \\ y \\ z \end{array}\right] ?

Options

  1. A3X1
  2. B1x1
  3. C1x3
  4. D3x3

Correct answer

B. 1x1

Step-by-step solution

The correct answer is option B.
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