Mathaddict100's answer to Kathy's Secondary 4 A Maths Singapore question.

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Mathaddict100
Mathaddict100's answer
534 answers (A Helpful Person)
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With these being the solutions,you should be able to do qn 3..It's probably the same as qn 4 & 5...Try applying what I have done for you here..You can do it..Hope these help. :)