Thread: Any ideas here please? :-)

Hi guys,
Would appreciate a bit of advice on this...
If I have a collection of Matrice s let's call this S. How do I prove that if T & Y are in S then so is TY and also if T is part of S then T^-1 is also a part of S.

Anyone any experience with this type of question?

Originally Posted by infinitepersepctives

Hi guys,
Would appreciate a bit of advice on this...
If I have a collection of Matrice s let's call this S. How do I prove that if T & Y are in S then so is TY and also if T is part of S then T^-1 is also a part of S.

Anyone any experience with this type of question?

Use the product theorem:

Tonio