Question: I have few minutes left, please help write R code to create a matrix (3 rows and 4 columns) that looks like this: 10 -10

I have few minutes left, please help

write R code to create a matrix (3 rows and 4 columns) that looks like this:

10 -10 10 -10
10 -10 10 -10
10 -10 10 -10

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