Thank you for the opportunity to help you with your question!
I dont see a -1 one is there.
i^2 is -1
sorry make yourself clear please..
but the question doesnt state that i=1 and even if thats so the last answer will still be 2i-2i^2
it doesnt matter we were taught that i^2 is always -1
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?