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find d2y/dx2 given sin(x+y)=x ...

1)actually this ques is a tatoo ques :P::D ....i just wanted to confirm my answer thts why possting draw fbd *Image* *Image* ...

1 . Does there exist a function " f " defined on the set of positive real numbers which takes only positive real values , and satisfies , i > f ( x f ( y ) ) = y f ( x ) ii > f ( x ) tends to zero as " x " approaches in ...

0 ∫ 1 tan-1 ( 1-x + x2 ) dx ...

1. 1+22+333+4444+......... upto n terms 2. Find the sum of Products of 1st n natural numbers taken 2 at a time. 3. Show that 49,4489,44489,........, the no's obtained by inserting 48 in the middle of the subsequent terms are ...

sin(cos-1x) ...

O-methoxy bromobenzene is treated with sodaamide and then with ammonia. The product formed is:- (a) O-methoxyaniline. (b) aniline. (c) methoxybenzene. (d) M- methoxyaniline. i have confusion between (a) and (d)... i think it ...

An artificial satellite of mass m of a planet of mass M, revolves in a circular orbit whose radius is n times the radius R of the planet. In the process of motion, the satellite experiences a slight resistance due to cosmic d ...

Hey I am giving KVPY this year (31st October 2010). I registered for the exam through the net,but I am unable to get the online admit card.....in fact the required link in not coming.. If anyone has downloaded the admit card ...

not much tough \int_{0}^{1}\frac{\ln(1+x)}{1+x^{2}}\mathrm{dx} ...

sin-1(cosx) ...

I finished 2 modules (out of a total of 7) of Brilliant-Correspondence Course (1 year long term) and have to revise to give test. How should I plan my revision? Shall I read the material again? or only formulae? Practice ques ...

A Horse is at a point P at time t=0 Horse moves along the track at speed of 20 km/hr.How fast is his shadow moving on the wall when he has covered 1/8 of the track. *Image* ...

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CCl4 + KOH (excess) ------> end product of reaction is (a) K2CO3. (b) C02. (c) C(OH)4. (d) HCOOK. sholdnt the answer be CO2...?? as the 1st product( the intermiate) formed should be C(OH)4.. THEN FROM IT THERE WOULD BE 2 M ...

1)Two cards are drawn at random from a well shuffled pack of 52 cards & thrown away.Find the probability of drawing an ace from the remaining 50 cards. 2)A & B play alternately with an unbiased die.He who first throws a 'six' ...

A cylindrical solid of mass 10-2 kg and cross sectional area 10-4 m2 ismoving parallel to its axis (the x- axis) with a uniform speed of 103 m/s in the +ve direcn . At t=0 , its front face passes the plane x = 0 . The region ...

*Image* ...

if f(x)=x3-3x+1 then fiind the number solution of f(f(fx)). plzzz do solve in detail nd explain how to solve.. ...

1)A particle moves perpendicularly towards a plane mirror with constant speed of 4cm/s. What is the speed of the image observed by a observer moving with 2cm/s along the same direction? Mirror is also moving with a speed of 1 ...

1.Consider a circle of radius R.A point charge lies at a distance a from its centre and on its axis such that R=a 3 .If electric field passing through the circle is ∂, find the magnitude of the charge. ...

why moving charges create magnetic field please answer it soon explain at atomic level ...

I3- can b formed but Cl3- cannot..? why? ...

x2+y2 = aetan-1(y/x) , a>0 then y''(0) : a) a/2.e-π/2 b) aeπ/2 c) -2/a.e-π/2 d) none ...

1)Why the speed of the image on an object moving with constant speed increases as it moves nearer and nearer to a stationary mirror? 2)How to make use of sign convention in ray optics while solving numericals? ...

1. If a(0) = x , a (n+1) = f( a ( n ) ) , n= 0 , 1 , 2 , ............................., find a(n) when (i) f(x) = root of (mod x ) (ii) f(x) = 1 / 1-x 2. Let f(x) be a real valued funcn defined for all real nos x such that fo ...

find the point inside the triangle ABC so that the largest distance from any side is minimum. a) centroid b) orthocenter c) circumcentre d) none of these ...

the diagonals PR & QS of the quadrilatrl PQRS intersect at M and the areas of the triangles MPQ and MRS are 16 cm2 and 25 cm2 respectivly. let the min. possible area of the quadrilateral PQRS be A cm2 .then the sum of the squ ...

find the maximum value of~~ cosA +cosB +kcosC A+B+C=pi k<1/2 please help!! ...

If tan(a-b)/tan a+sin2c/sin2a=1,show that tana.tanb=tan2c ...