Please solve RD Sharma class 12 chapter 4 Algebra of Matrices exercise Fill in the blank question 29 maths textbook solution
Answer:
A3 is symmetric matrix.
Hint:
Use the basics of symmetric matrix.
Given:
A is symmetric matrix.
Solution:
Given
A is symmetric matrix.
A = AT .....(1)
Take cube on both sides
A3 = (AT)3 = (A3)T
So, A3 is symmetric matrix.