2018 ONE(a)

Achievement
Question
Differentiate y=2x3+5(x3+2)3y = 2x^3 + \dfrac{5}{(x^3 + 2)^3}

*You do not need to simplify your answer.*
Official Answer
6x215(x3+2)43x26x^2-15(x^3+2)^{-4}\cdot 3x^2
Grading Criteria

Achievement (u)

  • Correct derivative.

Merit (r)

-

Excellence T1

-

Excellence T2

-
Video Explanation
NCEA Level 3 Calculus Differentiation 2018 NZQA Exam - Worked Answers by infinityplusone(starts at 0:25)
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