Ng Bee San's answer to Coco's Secondary 3 A Maths Singapore question.
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For term independent of x, index of x is 0
(18 - r) - (r/2) = 0
r = 12
Then substitute r = 12 into the expression to find the term.
(18 - r) - (r/2) = 0
r = 12
Then substitute r = 12 into the expression to find the term.
Date Posted:
3 years ago
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