Question: Run the following code in R , which creates a matrix called mat. mat < - matrix ( ( 1 : 1 2 ) ^

Run the following code in R, which creates a matrix called mat.
mat <- matrix((1:12)^2, nrow=3, ncol=4, byrow=TRUE)
Which command below prints the number at the 2nd row and the 3rd column? (Select all correct answers.)

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