Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11

# x4 − 2 sin x + 3 cos x - Mathematics

x4 − 2 sin x + 3 cos

#### Solution

$\frac{d}{dx}\left( x^4 - 2 \sin x + 3 \cos x \right)$
$= \frac{d}{dx}\left( x^4 \right) - 2\frac{d}{dx}\left( \sin x \right) + 3\frac{d}{dx}\left( \cos x \right)$
$= 4 x^4 - 2 \cos x - 3 \sin x$

Concept: The Concept of Derivative - Algebra of Derivative of Functions
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#### APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 30 Derivatives
Exercise 30.3 | Q 1 | Page 33