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If y = 4x3 - 2x2 + x, find \(\frac{\delta y}{\delta x}\)

Mathematics
JAMB 2014

If y = 4x3 - 2x2 + x, find \(\frac{\delta y}{\delta x}\)
  • A. 8x2 - 2x + 1
  • B. 8x2 - 4x + 1
  • C. 12x2 - 2x + 1
  • D. 12x2 - 4x + 1
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Correct Answer: Option D
Explanation
If y = 4x3 - 2x2 + x, then;

\(\frac{\delta y}{\delta x}\) = 3(4x2) - 2(2x) + 1

= 12x2 - 4x + 1

There is an explanation video available below.


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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free