Question

How to find sum of the first N even numbers in TypeScript

Answer 1

const N = 6;

// The sum of the first N even numbers is N * (N + 1)
let sum_even: number = N * (N + 1);

console.log(`The sum of the first ${N} even numbers is: ${sum_even}`);

// 2 + 4 + 6 + 8 + 10 + 12 = 42


/*
run:

"The sum of the first 6 even numbers is: 42" 

*/

 

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