Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
mobile
exams
ask
sample papers
tutors
pricing
login
X
ASK
Home
>>
CBSE XI
>>
Math
>>
Limits and Derivatives
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $(x^2+1) \cos x$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q23
Share
asked
Apr 14, 2014
by
thanvigandhi_1
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1 Answer
Let $f(x) = (x^2+1) \cos x$
By product rule,
$f'(x) =(x^2+1) \large\frac{d}{dx}$$(\cos x)+ \cos x\large\frac{d}{dx}$$(x^2+1)$
$ = (x^2+1)( - \sin x)+\cos x (2x)$
$ = -x^2 \sin x - \sin x+2x\cos x$
answered
Apr 14, 2014
by
thanvigandhi_1
Please
log in
or
register
to add a comment.
Related questions
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $\large\frac{a}{x^4}-\large\frac{b}{x^2}$$+\cos x$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q10
asked
Apr 12, 2014
by
thanvigandhi_1
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $ cosec \: x \cot x$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q15
asked
Apr 14, 2014
by
thanvigandhi_1
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $\sin^n x$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q19
asked
Apr 14, 2014
by
thanvigandhi_1
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $\large\frac{x^2 \cos \bigg( \Large\frac{\pi}{4}\bigg)}{\sin x}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q27
asked
Apr 16, 2014
by
thanvigandhi_1
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $(ax^2+\sin x) (p+q \: \cos x)$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q24
asked
Apr 14, 2014
by
thanvigandhi_1
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $\large\frac{\cos x}{1+\sin x}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q16
asked
Apr 14, 2014
by
thanvigandhi_1
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $\large\frac{4x+5 \sin x}{3x+7 \cos x}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q26
asked
Apr 16, 2014
by
thanvigandhi_1
1
answer
Ask Question
Tag:
Math
Phy
Chem
Bio
Other
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
...
X