Recent questions tagged q54

if $h(a)=h(b) $ then $ \int \limits_a^b [f(g(h(x)))]^{-1} . f ' (g (h(x)))g ' (h(x)).h'(x) dx=?$

asked Dec 16, 2013 by meena.p

1 answer

The number of lobes in the left lung of rabbit :

asked Dec 9, 2013 by thanvigandhi_1

0 answers

In rabbit success enteric us is secreted by

asked Dec 2, 2013 by thanvigandhi_1

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Flurine forms how many salts with xenon?

asked Nov 28, 2013 by sreemathi.v

1 answer

The dissociation constants of two acids $HA_1$ and $HA_2$ are $3.0 \times 10^{-4}$ and $1.8 \times 10^{-5}$ respectively. The relative strengths of the acids will be

asked Nov 27, 2013 by mosymeow_1

1 answer

In cockroach the number of spiracles is :

asked Nov 26, 2013 by thanvigandhi_1

0 answers

If $\overrightarrow a\:\:and\:\:\overrightarrow b$ are unit non collinear vectors and if $\overrightarrow u=\overrightarrow a-(\overrightarrow a.\overrightarrow b)\overrightarrow b$ and $\overrightarrow v=\overrightarrow a\times\overrightarrow b$ then $ |\overrightarrow v|= ?$

asked Nov 20, 2013 by rvidyagovindarajan_1

1 answer

The number of values of $x$ in $[0,2\pi]$ satisfying the equation $3\cos 2x-10\cos x+7=0$ is?

asked Nov 18, 2013 by sreemathi.v

1 answer

In cockroach, the thermoreceptor sensilla are present on :

asked Nov 13, 2013 by thanvigandhi_1

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If $x-y+1=0$ meets the circle $x^2+y^2+y-1=0$ at A and B , then the equation of the circle with AB as diameter is :

asked Nov 12, 2013 by meena.p

1 answer

The length of the tangent drawn to the circle $x^2+y^2-2x+4y-11=0$ from the point $(1,3)$ is:

asked Nov 6, 2013 by meena.p

1 answer

One litre of $CO_2$ is passed over hot cake.The volume becomes 1.4litre.The percent composition of products is

asked Oct 28, 2013 by sreemathi.v

1 answer

The animal that mostly depends on 'Metabolic water' to survive for long periods without drinking water :

asked Oct 27, 2013 by thanvigandhi_1

1 answer

The inverse point of (1,2) with respect to the circle $x^2+y^2-4x-6y+9=0$ is

asked Oct 25, 2013 by meena.p

1 answer

The inverse of the point (1,2) with respect to the circle $x^2+y^2-4x-6y+9=0$, is

asked Oct 17, 2013 by meena.p

1 answer

Identify the set of collecting and distributing blood vessels in Pheretima

asked Oct 17, 2013 by thanvigandhi_1

1 answer

The number of normals drawn to the parabola $y^2=4x$ from the point (1,0) is :

asked Oct 10, 2013 by meena.p

1 answer

The value of $\tan\bigg[\cos^{-1}\big(\large\frac{4}{5}\big)$$+\tan^{-1}\big(\large\frac{2}{3}\big)\bigg]$ is

asked Oct 9, 2013 by sreemathi.v

1 answer

Identify the Nematodes which have various shapes of amphids but without phasmids

asked Oct 5, 2013 by thanvigandhi_1

1 answer

Let M be the foot of the perpendicular from a point P on the parabola $y^2=8(x-3)$ onto its directrix and let S be the focus of the parabola. If $\Delta SPM$ is an equilateral triangle, then $P=$

asked Sep 27, 2013 by meena.p

1 answer

Let $\bar {v}=2 \bar{i}+\bar {j}-\bar {k}$ and $\bar {w}=\bar {i}+3 \bar{k}$. If $ \bar u$ is any unit vector then the maximum value of the scalar triple product $(\bar {u} \; \bar {v}\; \bar {w})$ is

asked Sep 23, 2013 by meena.p

1 answer

A circle of radius 4, drawn on a chord of the parabola $y^2=8x$ as diameter, touches the axis of the parabola. Then the slope of the chord is

asked Sep 16, 2013 by meena.p

1 answer

A satellite of mass m is orbiting the earth at a height 'h' from its surface. If M is Mass of the earth and R its radius then how much energy must be spent to pull the satellite out of the earth's gravitational field?

asked Aug 22, 2013 by meena.p

1 answer

A particle moves in a straight line with constant acceleration under constant force F. Select the correct alternatives.

asked Aug 5, 2013 by meena.p

1 answer

A block of mass $m=2 kg$ is resting on a rough inclined plane of inclination $30 ^{\circ}$ as shown. the coefficient of friction between the block and the plane $\mu=0.5$ . What minimum force F should be applied perpendicular to the plane on the block so that the block does not slip on the plane $(g=10 m/s^2)$

asked Jul 11, 2013 by meena.p

1 answer

An asymptote to the curve $y^{2}(a+2x)=x^{2}(3a-x)$ is

asked May 21, 2013 by poojasapani_1

1 answer

The centre and the radius of the sphere given by $x^{2}+y^{2}+z^{2}-6x+8y-10z+1=0$ is

asked May 11, 2013 by poojasapani_1

1 answer

Evaluate:\[\int \frac{\sin x+\cos x}{\sin ^4x+\cos ^4x}dx\]

asked Feb 3, 2013 by meena.p

0 answers

Find the maximum slope of the curve $ f(x)=2x+3x^2-x^3-27$

asked Jan 29, 2013 by meena.p

0 answers

The solution of the differential equation $\Large \frac{dy}{dx}=\frac{1-y^2}{1-x^2}$ is:\begin{array}{1 1}(A)\;y=\tan^{-1}x & (B)\;y-x=k(1+xy)\\(C)\;x=tan^{-1}y & (D)\;\tan (xy)=k\end{array}

asked Jan 18, 2013 by sreemathi.v

1 answer

$\Large \int\frac{x^3}{x+1}$ is equal to\begin{array}{1 1}(A)\;x+\frac{x^2}{2}+\frac{x^3}{3}-log\mid1-x\mid+C & (B)\;x+\frac{x^2}{2}-\frac{x^3}{3}-log\mid1-x\mid+C\\(C)\;x-\frac{x^2}{2}-\frac{x^3}{3}-log\mid1+x \mid+C & (D)\;x-\frac{x^2}{2}+\frac{x^3}{3}-log\mid1+x \mid+C\end{array}

asked Jan 15, 2013 by sreemathi.v

1 answer

The function $f(x)=2x^3-3x^2-12x+4$,has

asked Jan 12, 2013 by sreemathi.v

1 answer

A die is tossed twice.A 'success' is getting an even number on a toss.Find the variance of the number of successes.

asked Jan 9, 2013 by sreemathi.v

1 answer

Find $\large \frac{dy}{dx}$ when x and y are connected by the relation $\;\sin(xy)+\large\frac{x}{y}$$=x^2-y$

asked Jan 1, 2013 by sreemathi.v

1 answer

True or False: $\mid adj A\mid={\mid A\mid}^2$,where A is a square matrix of order two.

asked Dec 28, 2012 by sreemathi.v

1 answer

Total number of possible matrices of order $3\times 3$ with each entry 2 or 0 is

asked Dec 23, 2012 by sreemathi.v

1 answer

True or False: The minimum value of n for which $\tan^{-1}\Large {\frac{n}{\pi}}\;>\Large {\frac{\pi}{4}},\normalsize\;n\in N,$ is valid is 5

asked Dec 21, 2012 by sreemathi.v

1 answer

True or False: Let $f:R \rightarrow R$ be the function defined by f(x)=sin (3x+2)$\quad x\in R$.Then f is invertible.

asked Dec 20, 2012 by sreemathi.v

1 answer

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