to 1- (30p] Harlan A. Brothers John Knox discovered that as the value * gets larger, the value expression 2x + 1 2x 1 gets closer and closer e write program evaluates this expression and SO until the absolute difference between the expression's value and the real value of "e" is less than 0.000001 "Display the value of x" that causes your loop to along with both the final approximation of e and the real value of "e" Show 6 decimal places. (Real e-2.718281) [Do not use math.h library. For example, if you need calculate power of number, write your own function