(Answered) Please show every step no matter how minor use the brackets

Statistics

Please show every step no matter how minor, use the brackets for each reduction and write out every equation change. Please leave no details out.

1) Find the general solutions of the systems whose augmented matricies are given in a) and b).

What is a general solution?

a)1 -2 -1 3

3 -6 -2 2

b) 1 2 -5 -6 0 5

0 1 -6 -3 0 2
0 0 0 0 1 0
0 0 0 0 0 0

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