Recent questions tagged ch6

$\sum ^{n}_{r=0} r^2.\:^nC_r$ = ?

asked Oct 22, 2013 by rvidyagovindarajan_1

1 answer

$\sum^{n} _ {r=0} r. \: ^nCr$ = ?

asked Oct 22, 2013 by rvidyagovindarajan_1

1 answer

$\sum^{n} _ {r=0} r. ^nCr$=?

asked Oct 22, 2013 by rvidyagovindarajan_1

0 answers

Find the maximum value of $2x^3 – 24x + 107$ in the interval $[-3,-1]$

asked Aug 19, 2013 by sreemathi.v

1 answer

Find the intervals in which the function $f$ given by $f (x) = 2x^2 – 3x$ is $ (b)\; strictly\; decreasing$

asked Aug 16, 2013 by sreemathi.v

1 answer

The interval on which the function $f(x)=2x^3+9x^2+12x-1$ is decreasing is :

asked Aug 12, 2013 by sreemathi.v

1 answer

Two curves $x^3-3xy^2+2=0$ and $3x^2-y^3-2=0$ intersect at an angle of

asked Aug 12, 2013 by sreemathi.v

1 answer

A particular force acting on object has equation $F=-cx^3$ where x is displacement of object from some orgin and $c=1N/m^3$ What is magnitude of the work done by this force, as the object moves from $x=-2m,\; to\;x=+2m$

asked Aug 8, 2013 by meena.p

1 answer

Find the absolute maximum value and the absolute minimum value of the following functions in the given intervals: $(iv)\: f (x) = (x-1)^2+3, x \in [– 3, 1] $

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the absolute maximum value and the absolute minimum value of the following functions in the given intervals: $(iii)\: f (x) =4x-\large\frac{x^2}{2}$$, x \in [– 2, \large\frac{9}{2}] $

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the absolute maximum value and the absolute minimum value of the following functions in the given intervals: $ f (x) = \sin x+\cos x, x \in [0,\pi] $

asked Aug 7, 2013 by sreemathi.v

1 answer

Prove that the following functions do not have maxima or minima: $ (iii)\: h (x) =x^3+x^2+x+1 $

asked Aug 7, 2013 by sreemathi.v

1 answer

Prove that the following functions do not have maxima or minima: $ (ii)\: g(x)=\log x $

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the local maxima and local minima, if any, of the following functions. Find also the local maximum and the local minimum values, as the case may be: $ (viii)\: f (x) = x\sqrt{1-x}$$,x>0$

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the local maxima and local minima, if any, of the following functions. Find also the local maximum and the local minimum values, as the case may be: $ (vii)\: f (x) = \large\frac{1}{x^2+2}$

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the local maxima and local minima, if any, of the following functions. Find also the local maximum and the local minimum values, as the case may be: $ f (x) =\large\frac{x}{2}$$+\large\frac{2}{x}$$,x>0$

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the local maxima and local minima, if any, of the following functions. Find also the local maximum and the local minimum values, as the case may be: $ f (x) =x^3-6x^2+9x+15$

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the local maxima and local minima, if any, of the following functions. Find also the local maximum and the local minimum values, as the case may be: $ f (x) =\sin x-\cos x,0 < x <2\pi$

asked Aug 7, 2013 by sreemathi.v

1 answer

Find the local maxima and local minima, if any, of the following functions. Find also the local maximum and the local minimum values, as the case may be: $ (iii)\: h(x)=\sin x+\cos x$

asked Aug 6, 2013 by sreemathi.v

1 answer

Find the local maxima and local minima, if any, of the following functions. Find also the local maximum and the local minimum values, as the case may be: $ (ii)\: g (x) = x^3-3x$

asked Aug 6, 2013 by sreemathi.v

1 answer

Find the maximum and minimum values, if any, of the following functions given by $ (v) \: h (x) =x+1,x\in (-1,1)$

asked Aug 6, 2013 by sreemathi.v

1 answer

Find the maximum and minimum values, if any, of the following functions given by $ (iv) \: f (x) =\mid\sin 4x+3\mid$

asked Aug 6, 2013 by sreemathi.v

1 answer

Find the maximum and minimum values, if any, of the following functions given by $ (iii) \: h(x) = \sin (2x)+5$

asked Aug 6, 2013 by sreemathi.v

1 answer

Find the maximum and minimum values, if any, of the following functions given by $ f (x) = -\mid x+1\mid+3$

asked Aug 6, 2013 by sreemathi.v

1 answer

Find the maximum and minimum values, if any, of the following functions given by?$(iv)\;f(x)=x^3+1$

asked Aug 6, 2013 by sreemathi.v

1 answer

Find the maximum and minimum values, if any, of the following functions given by?$f(x)=-(x-1)^2+10$

asked Aug 6, 2013 by sreemathi.v

1 answer