LOI POH WENG's answer to Lily's Secondary 1 Maths question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Use A^2 - B ^2 ÷ {A+B) (A-B) to factorise the numerator and find the pattern, in this case is canceled out the denominator and left with 1000,
Date Posted:
7 years ago
Thanks.
360 Tutoring Program