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R Week 1 Assignment - Jagdish Chhabria

1.Write a loop that calculates 12-factorial

factorial = 1
for (i in 12:1)
## [1] 479001600

2. Show how to create a numeric vector that contains the sequence from 20 to 50 by 5.

numvec<-seq(20,50, by=5)
## [1] 20 25 30 35 40 45 50

3. Create the function “factorial” that takes a trio of input numbers a, b, and c and solve the quadratic equation. The function should print as output the two solutions

factorial<-function(a, b, c)
  x1=(-b+(b^2 - 4*a*c)^(1/2))/(2*a)
  x2=(-b-(b^2 - 4*a*c)^(1/2))/(2*a)
factorial(2, 7, 4)
## [1] -0.7192236
## [1] -2.780776