Erfana Beevee Binte Hassan Shariff's answer to Arandomboy's Secondary 4 A Maths Singapore question.

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Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
241 answers (Tutor Details)
1st
Form equations using (-1,0) and (0,5). Then find dy/dx as gradient of tangent at x=1 is 0(parallel to x axis).