Recent questions tagged class12

The gradient of the curve $y=-2x^{3}+3x+5$ at $x=2$ is

asked May 15, 2013 by poojasapani_1

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The normal to the rectangular hyperbola $xy=9$ at$(6,\frac{3}{2})$ meets the curve again at

asked May 14, 2013 by poojasapani_1

1 answer

The area of the triangle formed by the tangent at any point on the rectangular hyperbola $xy=72$ and its asymptotes is

asked May 14, 2013 by poojasapani_1

1 answer

The length of the latus rectum of the rectangular hyperbola $xy=32$ is

asked May 14, 2013 by poojasapani_1

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One of the foci of the rectangular hyperbola $xy=18$ is

asked May 14, 2013 by poojasapani_1

1 answer

The co-ordinate of the vertices of the rectangular hyperbola $xy=16$ are

asked May 14, 2013 by poojasapani_1

1 answer

The asymptotes of the rectangular hyperbola $xy=c^{2} $ are

asked May 14, 2013 by poojasapani_1

1 answer

Length of the semi-transverse axis of the rectangular hyperbola $xy=8$ is

asked May 14, 2013 by poojasapani_1

1 answer

The eccentricity of the hyperbola with asymptotes $x+2y-5=0 ,2x-y+5=0 $ is

asked May 14, 2013 by poojasapani_1

1 answer

The locus of the point of intersection of perpendicular tangents to the hyperbola $\large\frac{x^{2}}{16}-\frac{y^{2}}{9}$=$1$ is

asked May 14, 2013 by poojasapani_1

1 answer

The product of the perpendiculars drawn from the point $(8 ,0)$ on the hyperbola to its asymptotes is $\large\frac{x^{2}}{64}-\frac{y^{2}}{36}=$$1$ is

asked May 14, 2013 by poojasapani_1

1 answer

The asymptotes of the hyperbola $36y^{2}-25x^{2}+900=0$ are

asked May 14, 2013 by poojasapani_1

1 answer

The angle between the asymptotes to the hyperbola $\large\frac{x^{2}}{16}-\frac{y^{2}}{9}=$$1 $ is

asked May 14, 2013 by poojasapani_1

1 answer

The equation of the chord of contact of tangents from $(2 , 1 )$ to the hyperbola $\large\frac{x^{2}}{16}-\frac{y^{2}}{9}$$=1 $ is

asked May 14, 2013 by poojasapani_1

1 answer

The line $5x-2y+4k=0 $ is a tangent to $4x^{2}-y^{2}=36$ then $k$ is

asked May 14, 2013 by poojasapani_1

1 answer

The directrices of the hyperbola $x^{2}-4(y-3)^{2}=16$ are

asked May 14, 2013 by poojasapani_1

1 answer

The difference between the focal dintences of any point on the hyperbola $\large\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=$$1$ is $24$ and the eccentricity is $2$. Then the equation of the hyperbola is

asked May 14, 2013 by poojasapani_1

1 answer

The eccentricity of the hyperbola $ 12y^{2}-4x^{2}-24x+48y-127=0$ is

asked May 14, 2013 by poojasapani_1

1 answer

The eccentricity of the hyperbola whose latus rectum is equal to half of its conjugate axis is

asked May 14, 2013 by poojasapani_1

1 answer

Examine the applicability of Mean Value Theorem for all three functions given in $(iii)\;f (x) = x^2-1 \;for\; x \: \in [1,2]$

asked May 13, 2013 by sreemathi.v

1 answer

Examine the applicability of Mean Value Theorem for all three functions given in $(ii)\;f (x) = [x] \;for\; x \: \in [-2,2]$

asked May 13, 2013 by sreemathi.v

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If $f:R\rightarrow R$ is defined $f(x)=x^2-3$ then $f^{-1}x$ = ?

asked May 13, 2013 by rvidyagovindarajan_1

1 answer

$f:N\rightarrow Z$ is a function defined as $f(n)=\left\{ \begin {array} {1 1} \large\frac{n-1}{2}, \:\:when\:\: n\:\: is\:\: odd \\ -\large \frac{n}{2},\:\:when\:\: n\:\: is\:\: even \\ \end{array} \right.$, then $f$ is

asked May 13, 2013 by rvidyagovindarajan_1

1 answer