1.6(-1) × (-1) X (-1) × (2 m + 1) times, where m is a natural
number is equal to (a) 1
b;) – 1
c) 1 or- 1
d) n

1.6(-1) × (-1) X (-1) × (2 m + 1) times, where m is a natural
number is equal to (a) 1
b;) – 1
c) 1 or- 1
d) none of these
.​

About the author
Amelia