Which of the following is a valid assignment

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Which of the following is a valid assignment?

A. > m <- matrix(nrow = 2, ncol = 3)

B. > m <- matrix(nrow = 2, ncol = 3.5)

C. > m <- mat(nrow = 2, ncol = 3)

D. > m <- mat(nrow = 2, ncol = 5)

Answer: Option A

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