These are equal right?
because in the solution the answer is D
oh sorry, I did a mistake
it seems it is c
I’m getting same answer even when I substitute -1 can you please elaborate why the answer is D
the answer to the first one is C.
I googled it. The answer in the book is wrong.
If you wanna check https://greprepclub.com/forum/m-is-different-from-zero-11466.html