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secondary 4 | A Maths
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Shion
Shion

secondary 4 chevron_right A Maths

Sorry the last answer i was provided with was wrong for question 1.
Also i dont understand both questions here

Date Posted: 2 years ago
Views: 305

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Tan AiLing Luanne
Tan Ailing Luanne's answer
31 answers (Tutor Details)
1st
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Kelsey Ong Hui Ping
Kelsey Ong Hui Ping's answer
22 answers (Tutor Details)
if the normal at x=-4 is perpendicular to the tangent, it means the tangent at x=-4 is parallel to the tangent. so dy/dx is still 15. hope this helps!
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Kelsey Ong Hui Ping
Kelsey Ong Hui Ping's answer
22 answers (Tutor Details)
expand using general binomial expansion. for part ii, do comparison of terms, for the first constant term, x term and x-squared terms, to get the 3 unknowns.
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Tan AiLing Luanne
Tan Ailing Luanne's answer
31 answers (Tutor Details)