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how can we prove that (1+tan3A)/(1-tan3A) = { (1+tanA)/(1-tanA) }3?? ...

The reaction 2N2O5 <--> 4NO2 + O2 follows Ioder kinetics. Hence the molecularity of reaction is unimoleqular. pseudo unimoleqular bimoleqular. none of these. Given that Zn + ½ O2 --> ZnO + 35.28 kj HgO --> Hg +  ...

End of the World - December 21, 2012. Seven Reasons: Scientific experts from around the world are genuinely predicting that five years from now, all life on Earth could well finish. Some are saying it'll be humans that set it ...

a particle experiences constant acceleration for 6 secs after starting fom rest. it travels d1 in first 2 secs it travels d2 in next 2 secs it travels d3 in last 2 secs then, d1:d2:d3 = ??? ...

Domain of the explicit form of the funtion y represented implicitly by the equation, (1+x)cos y - x2 = 0 is: a. (-1, 1] b. (-1, (1- 5 )/2] c. [(1- 5 )/2, (1+qrt]5 )/2] d. [0, (1- 5 )/2] plz explain the meaning of explicit and ...

If f(x) and g(x) are two polynomial such that the polynomial h(x) = xf(x3) + x2g(x6) is divisible by x2+x+1, then a. f(1) = g(1) b. f(1) = g(1) ≠0 c. f(1) = -g(1) ≠0 d. none of these ...

Which hydrides are non stoichiometric Select Answer: Covalent hydrides Metallic hydride Saline hydride Alkali metal hydride why plz xplain ...

35) At 80° C , the vapour pressure of pure liquid 'A' is 520 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of 'A' and 'B' boils at 80° C and 1 atm pressure, the amount of 'A' in the mixture is (1 at ...

at 27 degree 41ml of ozone dissolves in 100ml of water at pressure of 1atm wats d mass of ozone dissolved in 200ml of water at pressure of 3atm and d same temp ...

If α,β are different complex nos. with \left|\beta \right|=1 then find \left|\frac{\beta -\alpha }{1-\bar{\alpha }\beta}\right| ...

today is the BIRTHDAY of one of the most usefulmember and a good friend of mine "SUBASH" Lets wish him birthday *Image* *Image* *Image* *Image* ...

A rail road numbers its locomotives in order 1,2,..,n. One day u see a locomotive adn its no. is 60. Guess how many locomotives the company has? ...

its b day of srinath and mirkha today. although its late, lets wish them. ...

ISKO BANAO IN ALL THE POSSIBLE QUADRANTS DON'T DRAW IN ONLY 1 QUADRANT DRAW EVERYWHERE IT IS POSSIBLE!!!!!!!!!!!!!! y=2{x} simple but a good 1 ...

A device consists of 4n elements, any two of which are joined by either a red or a blue wire. The numbers of red and blue wires are the same. The device is disabled by removing two wires of the same color connecting four di e ...

the vapour pressure of water decreases by 10% when a solte is dissolved in it .the approximate molarity of the solution is 5.5 10 2 2.5 ...

The plane ax+by+cz+d=0; bisects an angle between a pair of planes of which one is lx+my+nz=0 the equation of the other plane of the pair is _________ ...

wat is mother liquor??? i saw in preparation of Mohr Salt but dint understand what it is?? ...

The coefficients a and b of an equation x2+ax+b = 0 and its roots c and d are four different numbers. Given a, b, c, d in some order, is it possible to determine which is a and which is b? ...

arre my brother won 230 millions in jackpot wat to do wid dat yaaron help me out plz ...

Why is the organic compound converted to inorganic before detecting the presence for any element like N 2 or sulphur in it??? Is it absolute necessity.?? ...

*)The relation "congruence modulo m" on the set I of all integers is 1. Equivalence relation 2. A partial order relation 3. Reflexive and symmetric 4. Reflexive and antisymmetric *)What is AΔB in set language?? *)A pole of 5 ...

If a function has a breakpoint at a certain point in the domain, then should we say that the function is increasing or decreasing at that point ???????? Origin of the doubt :- Is (x+ 1/x) increasing at x=0 ??? L- = -∞ L+ = ...

what is the electronic configuration of Pd (46) a. 2, 8, 18, 18 b. 2,8,18,17,1 c. 2,8,18,16,2 ...

*Image* a bob suspended ina trolley is displaced 45* and is released. what is the tension in the strind just after the bob is released?? what is the acceleration of the trolley just after the bob is released?? Asish has been ...

*Image* A block is plzced as shown in the figure.What must be the frictional force between block and incline if the block is not to slide along the incline when the incline is accelerating to the right at 3m/s2 (sin37°=3/5)? ...

The statement p->(q->p) is equivalent to ans. p->(p \vee q) sum1 ...plz explain ...

This one is a simple one for those who have appeared in IIT Already But for those thta havent, Try proving this one.. DOnt refer any text .. It is an easy but important concept. Must know. (Work done by all external forces is ...

Q prove the following inequality \sqrt[3]{3-\sqrt[3]{3}}+\sqrt[3]{3+\sqrt[3]{3}}<2\sqrt[3]{3} ...