Recent questions tagged q3-1

Write the statement "It is necessary to have a password to log on to the server." in the form if $p$ then $q$.

asked Aug 16, 2014 by rvidyagovindarajan_1

1 answer

Write the statement "You get a job implies that your credentials are good" in 'if-than' form.

asked Jul 22, 2014 by rvidyagovindarajan_1

1 answer

Write the components of the compound statement "Number $3$ is prime or it is odd" and also find whether it is true or false.

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Verify that $(0,7,-10),\:(1,6,-6)\:and\:(4,9,-6)$ are vertices of an isosceles triangle.

asked Apr 17, 2014 by rvidyagovindarajan_1

1 answer

Name the Octant in which the point $(1,2,3)$ lies.

asked Apr 15, 2014 by rvidyagovindarajan_1

1 answer

Prove that if $\omega^3=1$,then (i) $(a+b+c)(a+b\omega+c\omega^2)(a+b\omega^2+c\omega)=a^3+b^3+c^3-3abc$

asked Jun 12, 2013 by sreemathi.v

1 answer

Find the local maximum and minimum values of the following: $x^{3}-x$

asked May 5, 2013 by poojasapani_1

1 answer

Which of the following function are increasing or decreasing on the interval given? $x^{2}-1 $on$[0 , 1]$

asked May 4, 2013 by poojasapani_1

1 answer

The distince $x$ meters traveled by a vehical in time $t$ seconds after the brakes are applied is given by:$\;x=20 t-\large\frac{5}{3}$$t^{2}$. Determine the speed of the vehicle (in km/hr) at the instant the brakes are applied

asked Apr 30, 2013 by poojasapani_1

1 answer

Evaluate: $\int\limits_{0}^{\large\frac{\pi}{4}}\cos^{8}2x dx$

asked Apr 27, 2013 by poojasapani_1

1 answer

Using chain rule find $\large\frac{dw}{dt}$ for each of the following : $w=e^{xy}$ Where $x=t^{2},y=t^{3}$

asked Apr 25, 2013 by poojasapani_1

1 answer

Use differentials to find an approximate value for the given numbers $\sqrt{36.1}$

asked Apr 24, 2013 by poojasapani_1

1 answer

$20\%$ of the bolts produced in a factory are found to be defective. Find the probability that in a sample of $10$ bolts chosen at random exactly $2$ will be defective using ,Binomial distribution.

asked Apr 21, 2013 by poojasapani_1

1 answer

Find the differential equation of family of straight lines $y=mx+\large\frac{a}{m}$ When $m$ is the parameter.

asked Apr 15, 2013 by poojasapani_1

1 answer

Find the angle between the asymptotes of hyperbola $24x^{2}-8y^{2}=27$

asked Apr 13, 2013 by poojasapani_1

1 answer

Find the equation of the tangents to the parabola $y^{2}=6x,$ parallel to $3x-2y+5=0$

asked Apr 13, 2013 by poojasapani_1

1 answer

Find the equations of directrices ,latus rectums and length of latus rectum of the following hyperbolas: $4x^{2}-9y^{2}=576$

asked Apr 11, 2013 by poojasapani_1

1 answer

If $\cos \alpha + cos \beta + cos \gamma = 0 = sin \alpha + sin \beta + sin \gamma$, prove that $cos 3\alpha + cos 3\beta + cos 3\gamma = 3 cos\left ( \alpha +\beta + \gamma \right )$

asked Apr 4, 2013 by geethradh

1 answer

Find $ gof$ and $fog$, if $ f(x) = |\;x\;|$ , and $ g(x) = |\;5x-2\;| $

asked Mar 7, 2013 by meena.p

1 answer

Compute the indicated products: $(i)\;\begin{bmatrix}a & b\\-b & a\end{bmatrix}\begin{bmatrix}a &-b\\b & a\end{bmatrix}$

asked Feb 27, 2013 by balaji.thirumalai

1 answer

If a matrix has 5 elements,what are the possible orders can it have?

asked Feb 27, 2013 by balaji.thirumalai

1 answer

If a matrix has 18 elements,what are the possible orders it can have?

asked Feb 27, 2013 by balaji.thirumalai

1 answer

Construct $a_{2\times 2}$ matrix where $a_{ij} =\frac{(i + 2j)^2}{2}$

asked Dec 22, 2012 by sreemathi.v

1 answer

Classify the following as scalar and vector quantities. $ (i)\; $time period.

asked Dec 7, 2012 by thanvigandhi_1

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: $ (i)\: f (x) = x^2 $

asked Nov 26, 2012 by thanvigandhi_1

1 answer

If $ A' = \begin{bmatrix} 3 & 4 \\ -1 & 2 \\ 0 & 1 \end{bmatrix} \text{ and } B = \begin{bmatrix} -1 & 2 &1 \\ 1 & 2 & 3 \end{bmatrix} \text{ , then verify that } $$ \text{ (i) } (A + B )' = A' + B' \qquad \qquad $

asked Nov 25, 2012 by pady_1

1 answer

Find $ gof$ and $fog$, if (i) $ f(x) = |\;x\;| \, and \, g(x) = |\;5x-2\;| $

asked Nov 9, 2012 by vaishali.a

1 answer

Examine the following functions for continuity. $f(x) = x-5$

asked Nov 6, 2012 by thanvigandhi_1

1 answer

Ask Questions, Get Answers

Write the statement "It is necessary to have a password to log on to the server." in the form if $p$ then $q$.

Write the statement "You get a job implies that your credentials are good" in 'if-than' form.

Write the components of the compound statement "Number $3$ is prime or it is odd" and also find whether it is true or false.

Verify that $(0,7,-10),\:(1,6,-6)\:and\:(4,9,-6)$ are vertices of an isosceles triangle.

Name the Octant in which the point $(1,2,3)$ lies.

Prove that if $\omega^3=1$,then (i) $(a+b+c)(a+b\omega+c\omega^2)(a+b\omega^2+c\omega)=a^3+b^3+c^3-3abc$

Find the local maximum and minimum values of the following: $x^{3}-x$

Which of the following function are increasing or decreasing on the interval given? $x^{2}-1 $on$[0 , 1]$

The distince $x$ meters traveled by a vehical in time $t$ seconds after the brakes are applied is given by:$\;x=20 t-\large\frac{5}{3}$$t^{2}$. Determine the speed of the vehicle (in km/hr) at the instant the brakes are applied

Evaluate: $\int\limits_{0}^{\large\frac{\pi}{4}}\cos^{8}2x dx$

Using chain rule find $\large\frac{dw}{dt}$ for each of the following : $w=e^{xy}$ Where $x=t^{2},y=t^{3}$

Use differentials to find an approximate value for the given numbers $\sqrt{36.1}$

$20\%$ of the bolts produced in a factory are found to be defective. Find the probability that in a sample of $10$ bolts chosen at random exactly $2$ will be defective using ,Binomial distribution.

Find the differential equation of family of straight lines $y=mx+\large\frac{a}{m}$ When $m$ is the parameter.

Find the angle between the asymptotes of hyperbola $24x^{2}-8y^{2}=27$

Find the equation of the tangents to the parabola $y^{2}=6x,$ parallel to $3x-2y+5=0$

Find the equations of directrices ,latus rectums and length of latus rectum of the following hyperbolas: $4x^{2}-9y^{2}=576$

If $\cos \alpha + cos \beta + cos \gamma = 0 = sin \alpha + sin \beta + sin \gamma$, prove that $cos 3\alpha + cos 3\beta + cos 3\gamma = 3 cos\left ( \alpha +\beta + \gamma \right )$

Find $ gof$ and $fog$, if $ f(x) = |\;x\;|$ , and $ g(x) = |\;5x-2\;| $

Compute the indicated products: $(i)\;\begin{bmatrix}a & b\\-b & a\end{bmatrix}\begin{bmatrix}a &-b\\b & a\end{bmatrix}$

If a matrix has 5 elements,what are the possible orders can it have?

If a matrix has 18 elements,what are the possible orders it can have?

Construct $a_{2\times 2}$ matrix where $a_{ij} =\frac{(i + 2j)^2}{2}$

Classify the following as scalar and vector quantities. $ (i)\; $time period.

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: $ (i)\: f (x) = x^2 $

If $ A' = \begin{bmatrix} 3 & 4 \\ -1 & 2 \\ 0 & 1 \end{bmatrix} \text{ and } B = \begin{bmatrix} -1 & 2 &1 \\ 1 & 2 & 3 \end{bmatrix} \text{ , then verify that } $$ \text{ (i) } (A + B )' = A' + B' \qquad \qquad $

Find \( gof\) and \(fog\), if (i) \( f(x) = |\;x\;| \, and \, g(x) = |\;5x-2\;| \)

Examine the following functions for continuity. $f(x) = x-5$