Question

26. The sum of first ‘n’ natural numbers is A) Sn = (−1) 2 B) Sn = (+1) 2 C) Sn = n(n + 1) D) Sn = a + (n – 1) d​

Answer 1

Step-by-step explanation:

26. The sum of first ‘n’ natural numbers is A) Sn = (−1) 2 B) Sn = (+1) 2 C) Sn = n(n + 1) D) Sn = a + (n – 1) d