An ice cream store charges 75 cents for each scoop of ice cream and 25 cents for each cone. How many scoops would be in one ice
2 answers:
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Yes, the inverse of a symmetric matrix is also symmetric.
Take the symmetric matrix A, we have:
and
This gives:
Using the properties:
and 
We get:
Since
, we can perform the substitution to get:
Multiplying by
on both sides:
Proving that the inverse of a symmetric matrix is also symmetric.
Take the symmetric matrix A, we have:
and
This gives:
Using the properties:
We get:
Since
Multiplying by
Proving that the inverse of a symmetric matrix is also symmetric.