Question

When -1 is multiplied by itself 19 times and divided by itself 3 times we get?

Answer 1

(-1)*19/ -1/ -1/-1
= (-1)/-1   (Both 19 and 3 are odd nos.)
= 1

Answer 2

both 19 and 3 are odd no hence when i is mutilied by 19 we get -1 and when 1 is multiplied 3 times we get -1 and -1/-1=1