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- Write a function that computes the value of e which can be approximated using the following expression: 2 + (1/2!) + (1/3!) + . . . + (1/n!) where n is a positive integer. Write a C++ program that uses this formula to approximate the value of e.PROBLEM: Write a C++ program that will accept 3 strings (these should be of different sizes) then sorts them from least to highest number of characters. Your program should only accept a maximum of 15 characters and display a message if exceeded. TEST CASES: If a user inputs valid strings: Enter string 1: Cherries Enter string 2: Apple Enter string 3: Banana Result: Sorted Strings: Apple Banana Cherries If a user inputs not valid: Enter string 1: Apple Enter string 2: Apple Cherries Banana Result: oh no! Exceeded the maximum number of characters!HW: Write a C++ program to calculate the value of y form the following equation when C and D are integer values. D oy YOSt gt 5t
- Write a C program that reads a double value (x) from the user and then uses it to compute the value of the mathematical constant e to the power of x (ex) and print it in main using the following infinite series: ex = 1 + x/1! + x2/2! + x3/3! + x4/4! + … Your program should include the following three functions: 1- function called power which takes two parameters: x (double) and y (integer) and returns the value of xy . Function power MUST use a while loop. ( Not allowed to use the predefined function pow in math.h). 2- function called factorial which takes one parameter x (integer) and returns its factorial. Function factorial MUST use a for loop. 3- function called compute_ex which receives one parameter x (double) and returns the value of ex for the given x using the series above as well as functions power and factorial ( 1 and 2 above) . Function computer_ex MUST use a do/while loop. The loop should stop when the new term added ( term = Xn/n! where n=0,1,2,3,…) to the series is less…pleas solve all of the quastions under <3 write c++ function to receive an integer return its reverse. Example: Input: 12584 Output: 48521 - Write a function named "gcd" that takes two positive integers and returns the greatest common divisor of those two integers. - write a c++ code to find the divisors of a received integer.HW: Write a C++ program to calculate the value of y form the following equation when C and D are integer values. C D C D L
- It's giving incorrect Output Need to correct this Write a C Program that will compute for the product of two complex numbers. Input starts with a number N and is followed by N pairs of complex numbers of the form a + bi, c + di. The parts of the complex numbers are integers NUMBER OF LOOPS: 3 //FIRST LOOP: INPUT: 1 + 2i, 3 - 4i OUTPUT: 11 + 2i SECOND LOOP: INPUT: 3 - 2i, 2 + 3i OUTPUT: 12 + 5i THIRD LOOP: INPUT: 9 - 2i, 3 - 2i OUTPUT: 23 - 24i END OF PROGRAM// #include struct complex { float real; float imaginary; }; int main() { struct complex num1, num2, mul; printf("Enter real and imaginary part of first complex number:\n"); scanf("%f%f", &num1.real, &num1.imaginary); printf("Enter real and imaginary part of second complex number:\n"); scanf("%f%f", &num2.real, &num2.imaginary); mul.real = num1.real * num2.real - num1.imaginary * num2.imaginary; mul.imaginary = num1.real * num2.imaginary + num2.real *…(Electrical eng.) a. The voltage gain of an amplifier is given by this formula: voltagegain=[275 23 2 +0.5 f 2 ]n f is the frequency in Hz. n is the number of stages in the amplifier. Using this formula, write, compile, and run a C++ program to determine the value of the voltage gain for a four-stage amplifier operating at a frequency of 120 Hz. Your program should produce the following display: At a frequency of xxxxx hertz, the voltage gain is yyyyy Your program should replace xxxxx with the frequency and yyyyy with the voltage gain. b. Manually check the value your program produces. After verifying that your program is working correctly, modify it to determine the voltage gain of a 12-stage amplifier operating at a frequency of 9500 Hz.(Computation) Among other applications, Pascal’s triangle (see Figure 7.22) provides a means of determining the number of possible combinations of n things taken r at a time. For example, the number of possible combinations of five people (n = 5) taken two at a time (r=2)is10. Each row of the triangle begins and ends with 1. Every other element in a row is the sum of the element directly above it with the element to the left of the one above it. That is, element[n][r]=element[n1][r]+element[n1][r1] Using this information, write and test a C++ program to create the first 11 rows of a twodimensional array representing Pascal’s triangle. For any given value of n less than 11 and r less than or equal to n, the program should display the correct element. Use your program to determine in how many ways a committee of 8 can be selected from a group of 10 people
- Numerical analysis) Given a number, n, and an approximation for its square root, a closer approximation of the actual square root can be found by using this formula: newapproximation=(n/previousapproximation)+previousapproximation2 Using this information, write a C++ program that prompts the user for a number and an initial guess at its square root. Using this input data, your program should calculate an approximation of the square root that’s accurate to 0.00001. (Hint: Stop the loop when the difference between the two approximations is less than 0.00001.)Q NO 1: There are two ways to pass arguments to functions. Pass by value and pass by reference. Let’s suppose you have to write multiplication function which receives two integers (as arguments) given by user from main. The multiplication operation will be carried out through their addresses. Solve this problem by writing a C++ program.In C#, Compute the binomial expression (a+b)^2 using the following rubric: Write code for computing the formula (a+b)^2 which expands into the following expression. In your code •Compute squares of double type variables a and b. •Compute the product 2*a*b•Add the squares and the product together •Use Math.POW library to compute the squares of the variables a and b. •Other functional code.