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- Write a program in c++: A-In permutations and combinations, the term “n C r” refers to n combinations taken r at a time. ??? = ?!/r! (? − ?)! B-Write a recursive function to find the factorial of a number. C- Use the defined function to compute the term “nCr” for the following scenario: The values of ‘n’ and ‘r’ are stored in two parallel arrays of any user defined size . You have to Read the arrays n and r at run time. Compute n C r for each corresponding terms in the array ‘n’ and ‘r’, and display it properly formatted. Also your program should print the current date and time using library functions.In C++ Just answer the questions in simple code please. Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms. Do this in a function called Sierra.Write a function in C++ to take input an integer parameter n and return whether the number is a power of 2 or not. bool isPowerof2(int n) { // Return true if n is power of 2 }
- Use the Online C++ Compiler: Delete all the existing code from main.cpp. Write your C++ program in main.cpp. https://www.onlinegdb.com/online_c++_compiler Write a program that generated n random integers in the range [15, 215] inclusive, prints the integers and their square roots. The value of n is provided by the user. Use the manipulators setw() and setprecision() to print the integers over 15 spaces, the square roots over 12 spaces and 2 decimal digits. See the given sample of input/output. Note: Your output will be different as the numbers are generated randomly. When you are done: Download your code. It will save the file main.cpp and rename the file to Lab8_Ex2.cpp. This is very important so that you can always access the code later. How to Submit: Select all the code using Ctrl + A/Cmd + A. Copy the code using Ctrl + C/ Cmd + C. Paste the code in the answer box using Ctrl +V/ Cmd +V on the blackboard. Ignore if the formatting of the code is different. Move to the next question…Write program in c++, using function to finds the sum of the following series:- Sum= 3/7+ 5/11+ 7/15+ 9/19+ 11/23+..+n/ (2n+1)write this in c++ format function sequence(n){ var n = 10; // this is just for explanation you can take any value from user input var arr = [n]; //this is to store result //Continue to generate numbers in this way until N becomes equal to 1 while(n > 1){ //check if even if(n % 2 == 0){ //If N is an even number, then divide N by two to get a new value for N n = n / 2; } else{ //If N is an odd number, then multiply N by 3 and add 1 to get a new value for N. n = (n * 3) + 1; } arr.push(n); } Logger.log("sequesnce: "+ arr) Logger.log("Number of terms: "+arr.length);}
- Write a c++ code and test the “digit” function:Function Prototype: int digit(int n,int k)This function returns the kth digit of the positive integer n. For example, if n is the integer29,415, then the call digit(n,0) would return the digit 2, and the call digit(n,2) would returnthe digit 4. Examples:Input: n = 29415 , k = 1 output: 9Input: n = 2 , k = 0 output: 2 Input: n = 2 , k = 1 output: index out of bound (return -1) Note: The digits are numbered from left to right beginning with the “zeroth” digit. Take input and display output in main function. do not use string libruary. so do it using while , do while or for loop.Write a c++ code and test the “digit” function:Function Prototype: int digit(int n,int k)This function returns the kth digit of the positive integer n. For example, if n is the integer29,415, then the call digit(n,0) would return the digit 2, and the call digit(n,2) would returnthe digit 4. Examples:Input: n = 29415 , k = 1 output: 9Input: n = 2 , k = 0 output: 2 Input: n = 2 , k = 1 output: index out of bound (return -1) Note: The digits are numbered from left to right beginning with the “zeroth” digit. Take input and display output in main function.// Description: Write a program that outputs a root of a given function f(x) by using a bi-section method. // f(x) = x3 + 5x2 +7x +2 // IN C++ Please!
- // Description: Write a program that outputs a root of a given function f(x) by using a bi-section method. // f(x) = x3 + 5x2 +7x +2 // IN C++ Please! not using #define EP 0.01The following functions/statements are useful to solve the probler: • The pow function from the library: e.g. pow(x.y) gives the value of x • The rand( ) function from the library: rand( ) gives a random integer between 0 and RAND_MAX, where RAND_MAX is a predefined constant integer in C++. When you use rand( ) make sure to include the empty braces (you will understand what they mean later when you learn about C++ functions). The srand(time(0)); statement at the beginning of main which requires adding the library. This statement is needed if you want the program to give different random values for different runs. The use of srand(time(0)) is optional; i.e. no grades will be deducted if you do not include it.Please use easy logic with proper indentations and comments for understanding!. Coding should be in C++. 1. Write a recursive function named printStars which receives an int parameter. If the parameter is positive, the function prints the given number of asterisks; otherwise the function does nothing. The function does not return a value. Thus, if the printStars(8) is called, ******** (8 asterisks) will be printed. The function must not use a loop of any kind to accomplish its job. Instead, it gets the job done by (recursively) calling itself.