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Recent questions tagged q3-3

Write the statement "A quadrilateral is a parallelogram if its diagonals bisect each other" in 'if-then' form.

asked Jul 22, 2014 by rvidyagovindarajan_1

1 answer

Write the components of the statement "$100$ is divisible by $3,\:11$ and $5$ Also check whether it is true or false.

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Verify that $(-1,2,1),\:(1,-2,5),\:(4,-7,8)\:and\:(2,-3,4)$ are vertices of a parallelogram.

asked Apr 17, 2014 by rvidyagovindarajan_1

1 answer

Name the octant in which the point $(4,-2,-5)$ lies.

asked Apr 15, 2014 by rvidyagovindarajan_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: $ (iii)\: h(x)=\sin x+\cos x$

asked Aug 6, 2013 by sreemathi.v

1 answer

Prove that if $\omega^3=1$,then (iii) $\large\frac{1}{1+2\omega}-\frac{1}{1+\omega}+\frac{1}{2+\omega}$$=0$

asked Jun 12, 2013 by sreemathi.v

1 answer

If $\cos \alpha +\cos \beta + \cos \gamma = 0 = \sin \alpha + \sin \beta + \sin \gamma$, prove that $\cos 2\alpha + \cos 2\beta + \cos 2\gamma = 0$

asked Jun 11, 2013 by sreemathi.v

1 answer

Classify the following as scalar and vector quantities. $ (iii)\; $force.

asked May 16, 2013 by sreemathi.v

1 answer

Find the local maximum and minimum values of the following: $x^{4}-6x^{2}$

asked May 5, 2013 by poojasapani_1

1 answer

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

asked May 4, 2013 by poojasapani_1

1 answer

Using chain rule find $\large\frac{dw}{dt}$ for each of the following:$\;w=\large(\frac{x}{x^{2}+y^{2}})$ where $x=\cos t,y=\sin t.$

asked Apr 25, 2013 by poojasapani_1

1 answer

Use differentials to find an approximate value for the given numbers\[\]$y=3\sqrt{1.02}+4\sqrt{1.02}$

asked Apr 24, 2013 by poojasapani_1

1 answer

Find the differential equation of family of straight lines $y=mx+\large\frac{a}{m}$ When $a , m, $ both are parameters.

asked Apr 15, 2013 by poojasapani_1

1 answer

Find the angle between the asymptotes of hyperbola $4x^{2}-5y^{2}-16x+10y+31=0$

asked Apr 13, 2013 by poojasapani_1

1 answer

Find the equation of the tangent and normal to the ellipse $\large\frac{x^{2}}{20}+\frac{y^{2}}{5}$$=1,$ Which are perpendicular to $ x+y+z=0$

asked Apr 13, 2013 by poojasapani_1

1 answer

If $ cos\;\alpha + cos\;\beta + cos\;\gamma = 0 = sin\;\alpha + sin\;\beta + sin\;\gamma $, prove that $ cos\;2\alpha + cos 2\;\beta + cos\;2\gamma = 0$

asked Apr 5, 2013 by geethradh

0 answers

Compute the indicated products: $(iii)\;\begin{bmatrix}1 & -2\\2 & 3\end{bmatrix}\begin{bmatrix}1 & 2 & 3\\2 & 3 & 1\end{bmatrix}$

asked Feb 27, 2013 by balaji.thirumalai

1 answer

Examine the following functions for continuity $\; f(x) = \large \frac {x^2 - 25} {x + 5}$$, x\:\neq\: -5$

asked Nov 7, 2012 by thanvigandhi_1

1 answer

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