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Recent questions tagged q1-9

'Today is a windy day.' Is this sentence a statement? why?

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

Using differentials, find the approximate value of each of the following up to 3 places of decimal. $(ix)\;(82)^{\Large\frac{1}{4}}$

asked Aug 5, 2013 by sreemathi.v

1 answer

Evaluate the limit for the following if exists. $\;\lim\limits_{x \to 0+} x^{2}\log_{e}x.$

asked May 6, 2013 by poojasapani_1

1 answer

Prove that $2(\tan^{-1}1+\tan^{-1}\large\frac{1}{2}\normalsize+\tan^{-1}\large\frac{1}{3}\normalsize)=\pi$

asked Apr 18, 2013 by sreemathi.v

0 answers

Find the amplitude of the complex number $\sin\large\frac{6\pi}{5}\normalsize+i\begin{pmatrix}1-\cos\large\frac{6\pi}{5}\end{pmatrix}$.

asked Apr 17, 2013 by sreemathi.v

0 answers

Express $\large\frac{1-2i}{2+i}+\frac{3+i}{2-i}$ in the form $ a+ib$.

asked Apr 16, 2013 by sreemathi.v

0 answers

Find the modulus and amplitude of the complex number $\large\frac{2+3i}{3+2i}$.

asked Apr 16, 2013 by sreemathi.v

0 answers

Find the value of $x$,$y$,given that $(x+iy)(2-3i)=4+i.$

asked Apr 15, 2013 by sreemathi.v

0 answers

Find the order and degree of the following differential equation: $\big(\large\frac{dy}{dx}) ^{2} +x=\large\frac{dx}{dy}+x^{2}$

asked Apr 14, 2013 by poojasapani_1

1 answer

If $(-2+\sqrt {-3})(-3+2\sqrt{-3})=a+ib$,find the real numbers a,b.With these values of a and b ,also find the modulus of $a+ib.$

asked Apr 12, 2013 by sreemathi.v

0 answers

If 1,$\omega{,\omega}^2$ are the three cube roots of unity,then simplify :$(3+5\omega+3{\omega}^2)^2(1+2\omega+{\omega}^2).$

asked Apr 11, 2013 by sreemathi.v

0 answers

Find the equation of the hyperbola if foci: $(6 , -1 )$ and $(-4 , -1)$ and passing through the point $(4 , -1 )$

asked Apr 11, 2013 by poojasapani_1

1 answer

A word consists of 9 different alphabets,in which there are 4 consonants and 5 vowels.Three alphabets are chosen at random .What is the probability that more than one vowel will be selected?

asked Apr 11, 2013 by sreemathi.v

1 answer

Find the equation of the ellipse if the vertices are $(\pm 4 , 0)$and $e=\large\frac{\sqrt{3}}{2}$

asked Apr 10, 2013 by poojasapani_1

1 answer

Three persons A,B and C shoot to hit a target.If in trials,A hits the target 4 times in 5 shots,B hits 3 times in 4 shots and C hits 2 times in 3 trials.Find the probability that :

asked Apr 10, 2013 by sreemathi.v

1 answer

Find the equation of parabola if : Vertex $(2 , 3 )$ open upward ;and passing through the point $(6 , 4 )$.

asked Apr 9, 2013 by poojasapani_1

1 answer

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