: . . . 3. at 18 thy Quot-lent of 1,000 ~ ., . ‘ : - - '2; iv . 44 a mm fl ‘ 4'. a '3 ,. -, . ,. , . 3' k , it ’ » ' ' ‘ ‘ V . .
‘ I ‘ v , . _ » I , ‘ I , ., - a > V . .. ‘ V v " . I L I .4; " I 7 ‘ ’ i mm mm . ‘ ' > ’ ” ' ‘ V " ‘ a f . 7 a ‘
1 answer:
You might be interested in
A matrix 
is symmetric if 
. We have
and so
is indeed symmetric.
and so