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Recent questions tagged q5-3

State whether the statement "Circle is a particular case of an ellipse." is true or false. Give reason.

asked Jul 29, 2014 by rvidyagovindarajan_1

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

Answer the following as true or false. (iii) Two vectors having same magnitude are collinear.

asked May 16, 2013 by sreemathi.v

1 answer

Find the intervals on which $f$ is increasing or decreasing. $f(x)=x^{3}+x+1$

asked May 4, 2013 by poojasapani_1

1 answer

Using Euler's theorem prove the following: if $u$ is a homogenous function of $x$ and $y$ of degree$\;n$, prove that$\;x\large\frac{\partial^{2} u}{\partial x^{2}}$+$y\large\frac{\partial^{2}u}{\partial x\partial y}$=$(n-1)\large\frac{\partial u}{\partial x}$

asked Apr 26, 2013 by poojasapani_1

0 answers

Find the eccentricity, centre , foci , and vertices of the following hyperbolas and draw their diagrams: $x^{2}-4y^{2}+6x+16y-11=0$

asked Apr 11, 2013 by poojasapani_1

1 answer

Find the equations of directrices, latus rectum and lengths of latus rectums of the following ellipses: $x^{2}+4y^{2}-8x-16y-68=0.$

asked Apr 10, 2013 by poojasapani_1

1 answer

Find the centre and radius of the following spheres :$x^{2}+y^{2}+z^{2}+4x-8x+2z=5$

asked Apr 9, 2013 by poojasapani_1

1 answer

Evaluate the determinants: $ \begin{vmatrix} 0&1&2 \\ -1&0&3 \\-2&3&0 \end{vmatrix}$

asked Mar 6, 2013 by sreemathi.v

1 answer

State with reason whether following functions have inverse: (iii) \(h: \{2,3,4,5,\} \to \{7,9,11,13\}\) with \(h=\{(2,7),(3,9),(4,11),(5,13) \} \)

asked Nov 9, 2012 by vaishali.a

1 answer

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