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If Y = (2x + 1)³, find dy/dx
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If Y = (2x + 1)³, find dy/dx
Solution
Y = (2x + 1)³
Let 2x + 1 = v
therefore dv/dx = 2
Y = v³ (Remember 2x + 1 has been replaced with v)
dy/dx = 3v²
Applying the chain rule formula
dy/dx = dy/dx * dv/dx
We have: 3v² * 2
3(2x + 1)² * 2
Ans: 6(2x + 1)²
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Personal Improvement, Self development,
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I'm Samuel, a Nigerian mathematician and programmer. I live in Lagos and my love for mathematics makes me come up with this blog. I also program in python.
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