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Hello everybody !! This is a very specific post and I'd like all 11th guys and 12thies to take note of this . I've seen posts by some students which are of the following headings : 1) Answer these questions 2) Help please and ...
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Give me the products P and Q . no more information required to solve this one . I assure you this will test your concepts *Image* ...
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HAPPY INDEPENDENCE DAY TO ALL TIITANS AND IITANS ON THE FORUM . ENJOY STUDYING. CHEERS ...
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If 1+\frac{1}{4}+\frac{1}{9}+....inf is equal to \frac{\pi ^{2}}{6} then 1+\frac{1}{9}+\frac{1}{25} .....inf is equal to a) \frac{\pi ^{2}}{8} b) \frac{\pi ^{2}}{3} c) \frac{\pi ^{2}}{12} d) \frac{\pi ^{2}}{4} how do you solv ...
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white to mate in 4 , no more ,no less *Image* ...
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For each reaction, predict which compound would react faster? THESE ARE FOR STARTERS ONLY !!!!! *Image* *Image* ...
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Let polynomials Pn(x) n=0,1,2,3 ...... , be defined by P0(x)=1 P_{n}(x) = \frac{1}{n!}\frac{d^{n}}{dx^{n}}[x^{n}(1-x)^{n}] , n\geq 1 Answer the following Q's 1) The \int_{0}^{1}{P_{n}(x)}x^{k}dx , 0\leq k<n is equla to a) ...
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value of \lim_{n\rightarrow inf}\int_{0}^{1}{\frac{ny^{n-1}}{1+y}}dy single correct A) 1 B) 2 C) 1/2 D) none ...
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consider the integral \int_{0}^{inf}{x^{\mu}}dx where μ is real . We have \int_{0}^{inf}{x^{\mu}}dx = \int_{0}^{1}{x^{\mu}}dx + \int_{1}^{inf}{x^{\mu}}dx = I1 + I2 , where I1 is evaluated using the limitng process \lim_{\eps ...
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after a disastrous previous q. here's Q which is quite correct and worth a try . An organic compound A on reaction with AlPO4 forms B . B on reaction with A gives C . C on reaction with mesitylene in presence of AlCl3 gives a ...
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edited cos problem was wrong . maafi chahta hoon for posting crap . thanks ...
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If ‘head’ means one and ‘tail’ means two , then coefficient of quadratic equation ax2 + bx + c = 0 are chosen by tossing three fair coins. Then find the probability that roots of the equations are imaginary. jaldi pos ...
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well guys it's only testing your analytical skills partly and some chemistry skills . read the first passage carefully.and answer it's easy . yet gave. and second one organic is nice. try it . *Image* passage for 1st @ rom te ...
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\frac{r_{1} r_{2} r_{3}}\frac{{}r^{3}}{} the minimum value of this. may be easy but nice problem I thought.bahut easy that to maaf kardena ...
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happy birthday ! ...
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for any differentiable function y=f(x) d2y/dx2 + (dy/dx)3(d2x/dy2) = ??????? kaise approach kare plz batayie ...
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A cylinder rolls up an inclined plane , reaches some height and then rolled down ( without slipping through out ) directions of friction during upward and downward motions are : I think up the incline while climbing and down ...
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can we integrate dirichlet function ? sorry for silly doubt :P ...
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1) 2-pentyne ---------------> (NaNH2) gives A ----------> (methyl chloride) -----------> B -------->(NaNH2) C ---------------->( ethyl chloride)D the one in the brackets is the reagent added. and A,B,C,D are th ...
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guys dekho . har paper me atleast mera Reasoning and assertion 3 glalat ho jata hai , esp if it's a conflict b/w the first and second regular options . I dunno why . It's a bit too much . Isliye to aviod it on what basis shou ...
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guys doubt. Q.68 Nremaining = N0 e-λt no ???? you've gievn Nremaining = N0 ( 1 - e-λt) Q.69 e- goes from collector to base no ? and NPN mein well . N region se P region electron jayega na ? and one Q . Mughe pata nahin , do ...
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so what do you think is the product . I don't know the naswer. what do you get when you treat papaverine with hot.dil.KMnO4. here's the structure http://en.wikipedia.org/wiki/File:Papaverin_-_Papaverine.svg ...
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find the solubility of PbSO4 ( K = 1.1 * 10-8 ) in 0.1 M aqueous solution of KNO3 help needed badly . thanks guys. ...
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please give some link on this or atleast take an example and explain . for 3 salts . no less no more. ...
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2 identical loops of metal wire are lying on a smooth table without touching each other .lopp A carriesa current which increases with time . In response loop B, A) remains stationary. B) moves away from A. C) moves towards A. ...
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A static charge distribution produces a radial electrid field E = ae-br/ r2 where a nad b are constants. total charge responsible for this field is ? A) 0 B) 4Πε0ar C) 4Πε0br D) 4Πε0ae-br I think it should be D . it is ...
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I want some one to post information on this method of solving problems . thanks in advance. ...
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results kahaan hain ? kisiko mila ? bolo . ...
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name this compound . got a doubt that's why I'm asking. please help . thanks guys. I think it should be 3-ethyl-6,6-dimethylcyclohept-2-enone.[\hide] *Image* ...