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my question is that:
without expanding prove that:
0 99 -998
-99 0 997
998 -997 0
=0.
i.e the determinant of above matrix is zero
Dear anjali
Let A=
0 99 -998 -99 0 997 998 -997 0 then Its transpose= 0 -99 998 99 0 -997 -998 997 0 add A and its transpose we get a zero matrix...... so u get A+its transpose= 0 matrix..... since |A|=|transpose of A| ==>|A|=0 Please feel free to post as many doubts on our discussion forum as you can. If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE preparation. All the best anjali !!!Regards,Askiitians ExpertsSahil AroraIIT Delhi
then Its transpose=
0 -99 998
99 0 -997
-998 997 0
add A and its transpose
we get a zero matrix......
so u get A+its transpose= 0 matrix.....
since |A|=|transpose of A|
==>|A|=0
Please feel free to post as many doubts on our discussion forum as you can. If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE preparation. All the best anjali !!!Regards,Askiitians ExpertsSahil AroraIIT Delhi
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