What is the command to view installed packages in R?installed.packages()view.packages()packages()list.packages()

Question 3Which is the command used to install packages in R?1 pointinstall.packages()installpackages()library(packages)

You can install packages in R , using install.packages("Package name")TrueFalse

What will be the output of the following R code?install.packages(c("devtools","roxygen2"))Exit R studioDevelopes the toolsinstalls the given packages installs the given packages and loads

How can you update all installed packages in R?update.packages(all = TRUE)upgrade(packages = "all")update.packages()install.updates()

Explain what an R package is; distinguish between the functions install.packages() and library()