Question

solve this step by step correctly and I will mark you brainlist​

Answer 1

Step-by-step explanation:

step1: let p (n) (the given table). let p (n) = 1+2+3+......+n = n (n+1)/2.

• step2: prove for n=1 . for n=1 LHS=1 .RHS= n (n+1)/2 = 1 (1+1)/2 = 1×2/2 =1 LHS=RHS p (n) is true for n=1