(Write the program in C language that calculates e to the x value for the entered x value, with the following calculation, for the first 15 terms (the last x will go up to 15). The X value will be taken in the main function, then this value will be sent to the function, the calculations will be performed in the function and the result will be returned to the main function) x4 x2 ex = 1 + x + 2! + x3 3! 4