Christmas MT's answer to Nabanita Bose's Secondary 3 E Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
2930 answers (A Helpful Person)
1st
if u take square root u must add plus/minus inside
Jiayang
Jiayang
6 years ago
Both and are wrong. That's not how you "add plus/minus inside"