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NDA 2022
Exam
NDA
Year
2022
Subject
Mathematics
Chapter
Matrices

NDA 2022 · Mathematics · Matrices

If X is a matrix of order 3 × 3, Y is a matrix of order 2 × 3 and Z...

If XX is a matrix of order 3×3,Y3 \times 3, Y is a matrix of order 2×32 \times 3 and ZZ is a matrix of order 3×23 \times 2, then which of the following are correct? 1. (ZY)X(Z Y) X is a square matrix having 9 entries. 2. Y(XZ)Y(X Z) is a square matrix having 4 entries. 3. X(YZ)X(Y Z) is not defined. Select the correct answer using the code given below :If X is a matrix of order 3 × 3, Y is a matrix of order 2 × 3 and Z is a matrix of order 3 × 2 , then which of theIf X is a matrix of order 3 × 3, Y is a matrix of order 2 × 3 and Z is a matrix of order 3 × 2 , then which of the

Options

  1. A1 and 2 only
  2. B2 and 3 only
  3. C1 and 3 only
  4. D1,2 and 3

Correct answer

D. 1,2 and 3

Step-by-step solution

If X is a matrix of order 3 × 3, Y is a matrix of order 2 × 3 and Z is a matrix of order 3 × 2 , then which of the
If X is a matrix of order 3 × 3, Y is a matrix of order 2 × 3 and Z is a matrix of order 3 × 2 , then which of the
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