Question

9. Square of (-1) equals to
a) -1
b) 2
c) 1
d) none of these ​

Answer 1

$\color{magenta}\large\underline{\underline{Hello...!!!}}$

c) 1

${( - 1)}^{2} = 1$

Square of any positive or negative integer is always positive.....

$\color{orange}\large\underline{\underline{Be... Brainly...!!!}}$