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Recent questions tagged ch6
Questions
Use differentials to find an approximate value for the given numbers\[\]$y=3\sqrt{1.02}+4\sqrt{1.02}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q3
q3-3
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Use differentials to find an approximate value for the given numbers $\large\frac{1}{10.1}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q3
q3-2
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Use differentials to find an approximate value for the given numbers $\sqrt{36.1}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q3
q3-1
modelpaper
oct-2009
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential $dy$ and evaluate $dy$ for the given values of $x$ and $dx$\[\]$y=\cos$$x,x=\large\frac{\pi}{6},$$dx=0.05$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q2
q2-5
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential $dy$ and evaluate $dy$ for the given values of $x$ and $dx$\[\]$y=\sqrt{1-x},x=0,dx=0.02$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q2
q2-4
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential $dy$ and evaluate $dy$ for the given values of $x$ and $dx$\[\]$y=(x^{2}+5)^{3},x=1,dx=0.1$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q2
q2-3
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential $dy$ and evaluate $dy$ for the given values of $x$ and $dx$\[\]$y$=$x^{4}-3x^{2}+x-1,x$$=2,dx$$=0.1$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q2
q2-2
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential $dy$ and evaluate $dy$ for the given values of $x$ and $dx$\[\] $y$$=1-x^{2},x$$=5,dx$$=\large\frac{1}{2}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q2
q2-1
asked
Apr 24, 2013
by
poojasapani_1
1
answer
$y^{2}$=$(x-a)(x-b)^{2};a,b>0,a>b,$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-2
p78
q5
asked
Apr 24, 2013
by
poojasapani_1
1
answer
$y^{2}$=$x^{2}(1-x)$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-2
p78
q4
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Trace the curve : $y^{2}(2+x)=x^{2}(6-x)$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-2
p78
q3
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Trace the curve: $y^{2}$$=x^{2}(1-x^{2})$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-2
p78
q2
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Trace the curve $y$=$x^{3}$ Discuss the following curves for extence,symmetry,Asymptotes and loops
tnstate
class12
bookproblem
ch6
sec-1
exercise6-2
p78
q1
modelpaper
oct-2006
jun-2007
oct-2007
jun-2008
oct-2008
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential of the functions.$y$=$x\tan$$x$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p73
q1
q1-6
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential of the functions. $y$=$\sin$$2x$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p73
q1
q1-5
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential of the functions. $y$=$\large\frac{x-2}{2x+3}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p73
q1
q1-4
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential of the functions. $y$=$\sqrt{x^{4}+x^{2}+1}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p73
q1
q1-3
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential of the functions.$y$=$4\sqrt{x}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p74
q1
q1-2
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the differential of the functions.$y$$=x^{5}$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p73
q1
q1-1
asked
Apr 24, 2013
by
poojasapani_1
1
answer
Find the maximum profit that a company can make if the profit function is given by \[P(x)=41-24x-18x^2\]
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q100
p22
math
sec-a
asked
Jan 30, 2013
by
meena.p
1
answer
Find the sides of a rectangle of greatest area that can be inscribed in the ellipse $ x^2+4y^2=16$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q99
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
A poster is to contain $50cm^2$ of matter with borders of 4 cm at top and bottom and of 2 cm on each side. Find the dimensions if the total area of the poster is minimum.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q98
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
Two equal sides of an isosceles triangle with fixed base b are decreasing at the rate of 3cm/sec. How fast is the area decreasing when the two equal sides are equal to the base?
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q97
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
Find the local maximum and local minimum value of the function. \[f(x)=\sin x+\frac{1}{2}\cos 2x\;in\;[0,\pi/2]\]
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q96
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
Find two positive numbers x and y such that their sum is 16 and sum of whose cubes is minimum.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q95
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
Find the interval in which $ y=x^2e^{-x}$ is increasing.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q94
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
Find the intervals in which f(x) = logcosx is strictly decreasing and strictly increasing.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q93
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
At what point in the interval $ [0,2\pi] $ does the function $\sin2x$ attain its maximum value?
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q92
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
FInd whether $ f(x)=e^x$ has maxima or minima.
cbse
class12
additionalproblem
ch6
q91
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
Without using derivatives find the maximum and minimum value of $ f(x) = \sin2x+7 $
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q90
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
Without using derivatives find the maximum or minimum value of $ f(x)=-| x+5 |+3$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q89
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the maxima or minima if any of the function $f(x)=\Large\frac{1}{x^2+2}$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q88
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
FInd the local maxima and local minima if any of the function $f(x)=e^{5x}$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q87
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
The curve $ y=ax^3+6x^2+bx+5$ touches the x-axis at P(-2,0) and cuts the y-axis at a point Q where its gradient is 3. Find a,b,c.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q86
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the maximum and minimum value of $ f(x)=| (\sin 4x+5) |$ without using derivatives.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q85
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the maximum and minimum values of 'f', if any of the function $ f(x) = | x |,x \in R$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q84
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the approximate value of $ 2x^4-160=0 $
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q83
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Using differentials evaluate $\tan 44^\circ approximately, 1^\circ=0.07145^\circ$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q82
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Use differentials to evaluate $ \bigg(\large\frac{17}{81}\bigg)^{1/4}$ approximately.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q81
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the appropriate change in volume of a cube when side increases by 1%.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q80
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
If $ y=x^4-10 $ and if x changes from 2 to 1.97, what is the appropriate change in y ?
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q79
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Using differentials find the appropriate value of $(82)^{1/4}$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q78
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the angle between the parabolas $ y^2=4ax\;and\;x^2=4by$ at their point of intersection other than the origin.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q77
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
FInd the equation of the tangent to the curve $\sqrt x+ \sqrt y =a$ at the point $\bigg(\large\frac{a^2}{4},\frac{a^2}{4}\bigg)$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q76
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
FInd the equation of tangent and normal to the curve $ y^2=\large\frac{x^3}{4-x}$ at (2,-2)
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q75
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the equations of the normal lines to the curve $ y=4x^3-3x+5$ which are parallel to the line $9y+x+3=0$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q74
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find equation of tangents to the curve $ x=a\cos ^3 \theta,y=b\sin ^3 \theta $ at $\theta=\pi/4$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q73
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the points on the curve $\large\frac{x^2}{4}+\frac{y^2}{25}=1$ at which the tangents are parallel to x-axis and parallel to y-axis.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q72
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Find the interval on which the function $ \large\frac{x}{log x}$ is increasing or decreasing.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q71
p20
math
asked
Jan 29, 2013
by
meena.p
0
answers
FInd the interval in which $f(x)=8+36x+3x^2-2x^3$ is increasing or decreasing.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q70
p20
math
asked
Jan 29, 2013
by
meena.p
0
answers
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