SOLUTION: Solve the determinant 3 x 1 1 = 2 (the 3 x and 1 1 are inside determinant signs)

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Question 36582: Solve the determinant
3 x
1 1 = 2
(the 3 x and 1 1 are inside determinant signs)
Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the determinant
3 x
1 1 = 2
that is
3*1-1*x=2
3-x=2
x=3-2=1
x=1