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x2=x+x+x+.... x times.... take derivative of both side... 2x=1+1+1+... x times thus, 2x=x! What is the error? Does it mean that if f(x)=g(x) then f'(x) ≠g'(x) ?? ...
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http://www.allaboutcircuits.com/vol_1/chpt_10/13.html I have resisted a lot in the past against this method. I really feel that this method takes away the joy of solving complex circuits and should be studied only at an engin ...
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HELLO ALL. ANYONE PREPARING FOR IIT-JEE WOULD SURELY GET HIS TOPICS DONE, BUT DURING THEIR PREPARATION, MORE THAN MANY,NEGLECT A SUBJECT CALLED INORGANIC CHEMISTRY. THIS ALSO CREATES A DIFFERENCE IN RANKS.TO,AVOID THAT FOR TI ...
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We know that friction between two surfaces is due to the uneven nature of the surface of the bodies. But in case of 2 plane mirrors will there be any friction ????? they have perfectly smooth surfaces. The how can we keep one ...
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hi everyone ! i was of the opinion that we can handle inorganic chemistry for coming year's JEE in a different way ! all of us have observed the questions in the recent 5 years JEE papers ! so, what we can do is collect bits ...
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uploading physics of paper 2 first of all- more will follow if everyone is interested *Image* *Image* *Image* *Image* *Image* *Image* *Image* *Image* ...
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potassium cyanide react with R----X to give alkyl cyanide while silver cyanide forms an isocyanide as a major product?? ...
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(1)there are 24 balls of 6 different sizes in a bag, there being 4 balls of each size in four different colours .in how many ways 4 balls can be selected so that they are of differnt colours?????? (2) how many 5 digit nos. of ...
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** Only Q6 is more than one correct ** Q1 BeO +NaOH → ? Q2 Which is used for fixing atmospheric nitrogen ? a)nitrolim b)Li3N c)Mg3N2 d)all I am sure abt a)..but not abt others.. Q3 BaC2 +N2 +heat → ?? Q4 CaC2 +N2 +heat ↠...
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It is not at all hard , ( not only from the view point of sirs ) , so try this ---- 1 > Let a , b , c, d , e …… be the positive divisors of “ n “ except n and 1 . Prove that --------- ( 1 / a ) + ( 1 / b ) + ( 1 / ...
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NH3 -- 107.5 PH3 -- 93.5 AsH3 -- 92 SbH3 -- 91.5 AsH3 -- 90 The H-E-H bond angle is expected to be a tetrahedral ideal of 109.5°, but since lone pairs repel more than bonding pairs, the actual angle would be expected to be s ...
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A chain of length L and linear mass density \lambda ¸ is held such that it hangs vertically just above the pan of electronic balance. It is then released. What is the reading on the scale, as a function of the height of the ...
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well....organic a nightmare for many fun for others....a house of many exceptions to basic phenomenon n reactions is the beauty of ORGANIC CHEMISTRY!!!!!!! so this thread is dedicated to those exceptions in organic chemistry! ...
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*Image* Ideal fluid flows along a flat tube of constant cross-section, located in a horizontal plane and bent as shown( in figure is the top view ) . The flow is steady. Are the pressures and velocities of the fluid equal at ...
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1) find maxima of xy2z3 provided : x + y + z = 6. 2) find maxima of (x-3)2 + (y-2)2 provided : (x+3)2 + (y+2)2 = 4 ...
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AN ATTEMPT TO HELP 1) Stereochemistry of diel's alder reaction : If a Diels–Alder reaction creates an aymmetric carbon in the product, identical amounts of the R and S enantiomers will be formed. In other words, the product ...
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Grams of potassium dichromate required to oxidize 24.82 g of Fe2+ in FeSO4 to Fe3+,if the reaction is carried out in acidic solution is ___ ...
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NEWLY ADDED QUESTIONS unsolved questions are underlined. 1.for what value of k the system of linear equations x+2y+x=1;x+3y+4z=k;x+5y+10z=k2 has solution?find the solution in each case. [roorkee 97] SOLVED 2.true/false(plz gi ...
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Q1 if n postiive integers are taken at random and multiplied together and pn is probablity that last digit of product is 2,4,6,8.Find pn and p4 Q2 2 integers r,s are drawn one at a time without relacememnt from set 1,2,3...n. ...
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does tolllens reagent oxidize alcohols and giv a positive test for thm too wat bout fehlings and benedicts? ...
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what is the effect of adding inert gas at constant pressure to a system? ...
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Q1. (T/F) If the complex nos. z1, z2, z3 represent the vertices of an equilateral triangle such that |z1| = |z2| = |z3|, then z1+z2+z3 ≠0 (ans given: T) Q2. No. of ways to Arrange letters of the word INTERMEDIATE such that ...
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Here is some info regarding polymers from wikipedia. 1.Natural rubber: Natural rubber is an elastomer (an elastic hydrocarbon polymer) that was originally derived from a milky colloidal suspension, or latex, found in the sap ...
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hey ppl..wht AIeee score fetches wht rank!!! plz givee sum info bt aieee marks...........wht was highest last time....at wht marks u can get sum good NITS..... ...
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between elimination reaction and nucleophilic substitution reaction which one requires highest activation energy for the reaction to take to place?? and why?? ...
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i am posting this question to make the lives of many people easier in mechanics...[1] so the concept of reduced mass goes as follows... there are two types of masses positive mass and negative mass relate to +charge and - cha ...
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Let's unite.....Post the mistakes u made this year,Also post how did/will you start off and how are you gonna proceed from now...U can also post ur current ranks in various entrances... I will start.... IITJEE- not qualified ...
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A boat moves relative to water with a velocity which is n(=2) times less than the river flow velocity. At what angle to the stream direction must the boat move to minimize drifting?? ...
