huien's answer to June's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
huien
Huien's answer
45 answers (Tutor Details)
1st
no term independent of x means no constant in the expansion, so just expand the eqn to find constant, then equate constant to 0