Question: answer questions Question 1 (1 point) Use determinants to find which real value of c makes the following matrix NOT invertible. 1 0 3 C

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Question 1 (1 point) Use determinants to find which real value of c makes the following matrix NOT invertible. 1 0 3 C -4 1 12 1 8 O 1 O -3 O 3 O -1 Question 2 (1 point) Compute the projection of u on v. 2 u = 7 V 3 O 6V/7, O V O 6 O 6 Question 3 (1 point) Two vectors can span R3. True False

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