Question

hey guys.... help me in solving the ques. i assire that I will mark u the Brainliest whi dares 2 solvd at first.......... ​

Answer 1

As n is a positive odd integer, -1ⁿ= -1

-1²ⁿ= (-1ⁿ)²= (-1²)= 1

Now as n is odd, 2n is even and thus 2n+1 is odd.

-1²ⁿ⁺¹= -1

-1⁴ⁿ⁺²= (-1²ⁿ⁺¹)²= 1

Thus total sum= -1+1-1+1= 0

Mark brainliest