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Please solve RD Sharma class 12 chapter 4 Algebra of Matrices exercise Fill in the blank question 29 maths textbook solution

Answers (1)

Answer:

 A3  is symmetric matrix.

Hint:

 Use the basics of symmetric matrix.

Given:

 A is symmetric matrix.

Solution:

Given

A is symmetric matrix.

A = A.....(1)

Take cube on both sides

A3 = (AT)3 = (A3)T

So, A3 is symmetric matrix.

Posted by

Gurleen Kaur

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