Question: Let A: - [36 0 6 12 (b) How many solutions does A x=0 have. Answer this questions without doing any row opera- tions!!

Let A: - [36 0 6 12 (b) How many solutions does A x=0 have. Answer this questions without doing any row opera- tions!! Hint: How many pivots can A have at most...and so how many free variables? (c) Notice that p -8 0 is a solution to A x= 8. How many solutions does A X -G have?

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