Email

Chat with tutors

Login

Ask Questions, Get Answers

Menu X

home ask tuition questions practice papers mobile tutors pricing

X

Recent questions tagged tnstate

What are the differences between a particle and a wave ?

asked May 18, 2017 by pady_1

1 answer

What are the properties of lines of forces ?

asked May 15, 2017 by pady_1

1 answer

write applications of superconductors

asked May 12, 2017 by anonymous

1 answer

An aircraft having a wingspan of $20.48\; m$ flies due north at aspeed of $40 ms^{−1}$. If the vertical component of earth’s magneticfield at the place is $2 × 10^{−5}\; T$, Calculate the emf induced betweenthe ends of the wings.

asked Mar 12, 2014 by balaji.thirumalai

1 answer

How can we relate the Three dimensional Geometry with the Two Dimensional (Co Ordinate) Geometry?

asked Oct 1, 2013 by suchy.ramakrishnan

0 answers

A discrete random variable X has the following probability distributions (see table below). (iii) Find P(3 < x < 7)

asked Sep 16, 2013 by sreemathi.v

1 answer

A discrete random variable X has the following probability distributions (see table below). (ii) Find P(x < 3)

asked Sep 16, 2013 by sreemathi.v

1 answer

Use the truth table to establish which of the following statements are tautologies and which are contradictions.

asked Sep 13, 2013 by sreemathi.v

1 answer

Use the truth table to establish which of the following statements are tautologies and which are contradictions.

asked Sep 13, 2013 by sreemathi.v

1 answer

Use the truth table to establish which of the following statements are tautologies and which are contradictions.

asked Sep 13, 2013 by sreemathi.v

1 answer

Use the truth table to establish which of the following statements are tautologies and which are contradictions.

asked Sep 13, 2013 by sreemathi.v

1 answer

Solve the following differential equation;$(D^{2}-13D+12)$y$=e^{-2x}+5e^x$

asked Sep 5, 2013 by sreemathi.v

1 answer

Find the equation of parabola if : Vertex $(1 , 4); $ open left ward and passing through the point $(-2,10)$

asked Jun 24, 2013 by sreemathi.v

1 answer

Find the equation of the hyperbola if centre: $(0 , 0 )$ length of the semi-transverse axis is $6; e=3$ and the transverse axis is parallel to $y$-axis.

asked Jun 19, 2013 by sreemathi.v

1 answer

Find all the values of $\bigg(\large\frac{1}{2}$$-i\large\frac{\sqrt 3}{2}\bigg)^{\Large\frac{3}{4}}$ and hence prove that the product of the values is 1.

asked Jun 13, 2013 by sreemathi.v

1 answer

Solve : $x^4-x^3+x^2-x+1=0$

asked Jun 13, 2013 by sreemathi.v

1 answer

Solve : $x^4+4=0$

asked Jun 12, 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

Prove that if $\omega^3=1$,then (ii) $\bigg(\large\frac{-1+i\sqrt 3}{2}\bigg)^5+\bigg(\large\frac{-1-i\sqrt 3}{2}\bigg)^5$$=-1$

asked Jun 12, 2013 by sreemathi.v

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

If $x=a+b$,$y=a\omega+b\omega^2,z=a\omega^2+b\omega$ show that (ii) $x^3+y^3+z^3=3(a^3+b^3)$ where $\omega$ is the complex cube root of unity.

asked Jun 12, 2013 by sreemathi.v

1 answer

If $x=a+b$,$y=a\omega+b\omega^2,z=a\omega^2+b\omega$ show that (i) $xyz=a^3+b^3$ where $\omega$ is the complex cube root of unity.

asked Jun 12, 2013 by sreemathi.v

1 answer

Find all the value of the following : $(-\sqrt 3-i)^{\large\frac{2}{3}}$

asked Jun 12, 2013 by sreemathi.v

1 answer

Find all the value of the following : $(8i)^{\large\frac{1}{3}}$

asked Jun 12, 2013 by sreemathi.v

1 answer

Find all the value of the following : $(i)^{\large\frac{1}{3}}$

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

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

asked Jun 11, 2013 by sreemathi.v

1 answer

$P$ represents the variable complex number $z$.Find the locus of $P$,if $arg\bigg(\large\frac{z-1}{z+3}\bigg)=\large\frac{\pi}{2}$

asked Jun 10, 2013 by sreemathi.v

1 answer

$P$ represents the variable complex number $z$.Find the locus of $P$,if $\mid 2z-3\mid=2$

asked Jun 10, 2013 by sreemathi.v

1 answer

$P$ represents the variable complex number $z$.Find the locus of $P$,if $Re\bigg(\large\frac{z-1}{z+i}\bigg)$$=1$

asked Jun 10, 2013 by sreemathi.v

1 answer

$P$ represents the variable complex number $z$.Find the locus of $P$,if $\mid z-5i\mid=\mid z+5i\mid$

asked Jun 10, 2013 by sreemathi.v

1 answer

$P$ represents the variable complex number $z$.Find the locus of $P$,if $Im\bigg[\large\frac{2z+1}{iz+1}\bigg]$$=-2$

asked Jun 10, 2013 by sreemathi.v

1 answer

Prove that the triangle formed by the points representing the complex numbers $(10+8i),(-2+4i)$ and $(-11+31i)$ on the Argand plane is right angled.

asked Jun 10, 2013 by sreemathi.v

1 answer

If $z^2=(0,1)$ find $z$.

asked Jun 7, 2013 by sreemathi.v

1 answer

Find the square root of $(-8-6i)$

asked Jun 7, 2013 by sreemathi.v

1 answer

The marks secured by $400$ students in a Mathematics test were normally distributed with mean $65$. If $120$ students got more marks above $85$, the number of students securing marks between $45$ nd $65$ is

asked Jun 3, 2013 by poojasapani_1

1 answer

If $f(x)$ is a p.d.f of a normal variate $x$ and $X\sim N(\mu,\sigma^{2})$ then $\int\limits_{-\infty}^{\mu}f(x)dx $ is

asked Jun 3, 2013 by poojasapani_1

1 answer

The random variable $X$ follows normal distribution $f(x)=ce\large\frac{-1/2(x-100)^{2}}{25}$ Then the value of $c$ is

asked Jun 3, 2013 by poojasapani_1

1 answer

If $f(x)$ is a p.d.f of a normal distribution with mean $\mu$ then $\int\limits_{-\infty}^{\infty}f(x)dx$ is

asked Jun 3, 2013 by poojasapani_1

1 answer

In a poisson distribution if $P(X=2)=P(X=3)$ then the value of its parameter $\lambda$ is

asked Jun 3, 2013 by poojasapani_1

1 answer

For a poisson distribution with parameter $ \lambda=0.25$ the value of the $2^{nd}$ moment about the origin is

asked Jun 3, 2013 by poojasapani_1

1 answer

The distribution function $F(X)$ of a random variable $X$ is

asked Jun 3, 2013 by poojasapani_1

1 answer

If a random variable $X$ follows poisson distribution such that $E(X^{2})=30$ then the variance of the distribution is

asked May 30, 2013 by poojasapani_1

1 answer

If in a poisson distribution $P(X=0)=k$ then the variance is

asked May 30, 2013 by poojasapani_1

1 answer

If $2$ cards are drawn from a well shuffled pack of $52$ cards, the probability that they are of the same colours without replacement, is

asked May 30, 2013 by poojasapani_1

1 answer

A box contains $6$ red and $4$ white balls.If $3$ balls are drawn at random, the probability of getting $2$ white balls without replacement, is

asked May 28, 2013 by poojasapani_1

1 answer

In $16$ throws of a die getting an even number is considered a success. Then the variance of the successes is

asked May 28, 2013 by poojasapani_1

1 answer

If the mean and standard deviation of a binomial distribution are $12$ and $2$ respectively. Then the value of its parameter $p$ is

asked May 28, 2013 by poojasapani_1

1 answer

The mean of a binomial distribution is $5$ and its standard deviation is $2.$ Then the value of $n$ and $p$ are

asked May 28, 2013 by poojasapani_1

1 answer

In $5$ throws of a die, getting $1$ or $2$ is a success. The mean number of successes is

asked May 28, 2013 by poojasapani_1

1 answer

Page:

1
2
3
4
...
20
next »

Feedback Terms Facebook Twitter About Us

Your payment for is successful.

...