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Derivatives & Second-Order Derivatives · Question 19 of 96

Question 19

MediumOriginal question

What is ddx(ex2)\frac{d}{dx}\left(e^{x^{2}}\right)?

Options for question 19

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. Use the chain rule: differentiate the outer function, then multiply by the derivative of what is inside it.

  2. ddx(ex2)=2xex2\frac{d}{dx}\left(e^{x^{2}}\right) = 2 x e^{x^{2}}.

Worth noting

ex2e^{x^{2}} differentiates the outside only and drops the inside's derivative.

Concept
The chain rule
Typical time
90 s
Your time
—
The rule this testsThe rules of differentiation
Practise this chapter →

Ten questions from Derivatives & Second-Order Derivatives, at your own pace.

Practise this chapter →

Ten questions from Derivatives & Second-Order Derivatives, at your own pace.