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+# Example 1     Chapter 6       Page no.: 126
+# Initial Guess Value
+
+#Given Polynomial
+f <- function(x){
+  2*(x^4)-8*(x^2)+2*x+12
+}
+
+n1  <- 4
+a1 <- c(12,2,-8,2)
+x1 <- -a1[3]/2
+
+cat("The Maximum possible root is",x1)
+
+#Function to find root intervals
+f1 <-function(a,n){
+  xMax <- sqrt(((a[n-1]/a[n])^2)-2*(a[n-2]/a[n]))
+}
+
+mr <- f1(a1,n1)
+
+cat(" Real roots lie in the interval (",-mr,",",mr,").")