Class CBSE Class 12 Mathematics Derivatives Q #1695
KNOWLEDGE BASED
APPLY
1 Marks 2026 AISSCE(Board Exam) MCQ SINGLE
Differential of $e^{e^{x}}$ with respect to x is:
(A) $\log x$
(B) $e^{e^{x}}$
(C) $e^{x}e^{e^{x}}$
(D) $(e^{x})^{2}$
Correct Answer: C

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Detailed Solution

Step 1: Identify the function

We are given the function $y = e^{e^{x}}$. We need to find the derivative $\frac{dy}{dx}$ using the chain rule.

Step 2: Apply the Chain Rule

The chain rule states that if $y = f(g(x))$, then $\frac{dy}{dx} = f'(g(x)) \cdot g'(x)$. Here, let $u = e^{x}$, so $y = e^{u}$.

Step 3: Differentiate

First, differentiate $e^{u}$ with respect to $u$, which is $e^{u}$. Then, differentiate $u = e^{x}$ with respect to $x$, which is $e^{x}$.

Step 4: Combine the results

Multiplying these results together: $$ \frac{dy}{dx} = e^{e^{x}} \cdot \frac{d}{dx}(e^{x}) $$ $$ \frac{dy}{dx} = e^{e^{x}} \cdot e^{x} $$

Final Answer: $e^{x}e^{e^{x}}$

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Pedagogical Audit
Bloom's Analysis: This is an APPLY question because the student must apply the chain rule of differentiation to a composite exponential function.
Knowledge Dimension: PROCEDURAL
Justification: The question tests the student's ability to execute a specific mathematical algorithm (differentiation of composite functions) rather than recalling a definition.
Syllabus Audit: In the context of CBSE Class 12, this is classified as KNOWLEDGE. It directly assesses the fundamental competency of the 'Continuity and Differentiability' unit.