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why alkali metals Li , Na , K cannot b stored in water???? and what is meant by thermal stability??? ...
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what is the oxidation state and no. of unpaired electrons of Fe in [Fe(H2O)5NO]SO4 the answer for oxidation state is given +1 and no. of unpaired electrons is given 3 how can these both be simultaneously true no of unpaired e ...
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ABCD is square having its centre ai the origin. If A is(x,y), find the remaining vertices. By a suitable translation of axes or otherwise, find the vertices of the square two of whose opposite vertices are(4,5) and (-2,-3). ...
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*Image* is this compund optically active ...
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this thread is mainly intended to give some insight into congruences and how to solve various jee related problems using that concept.. definition of congruent: A number `a` is said to be congruent to `b` modulo `m` if `m` di ...
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Didnt want to make the previous thread tooo long..http://targetiit.com/iit-jee-forum/posts/inequalities-sikhna-chahte-ho-to-sikho-varna-koi-b-11546.html so new questions in new thread... This is season 2 of "Inequalities Sikh ...
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Questions from various materials n books : PERMUTATIONS & COMBINATIONS { I would continue adding qs in this forum everyday . } 3) There are 2 women participating in a chess tournment. Every participant played 2 games with the ...
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Questions from various materials n books : PERMUTATIONS & COMBINATIONS { I would continue adding qs in this forum everyday . } 3) There are 2 women participating in a chess tournment. Every participant played 2 games with the ...
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It all started with b555's classic integration siikho thread..and now nishant sir started some more threads on it.... I ma starting one small on inequalities..A lot of inequlaities thread are already there on site..I know tha ...
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Reduce to simplest form tan^{-1}(\frac {xcos\theta}{1-xsin\theta})-cot^{-1}(\frac {cos\theta}{x-sin\theta}) ...
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Draw the graph of x^3+y^3+3xy=1 This one is not very easy.. (But this is not the toughest one either) ...
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Draw the graph of x^3+y^3+3xy=1 This one is not very easy.. (But this is not the toughest one either) ...
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If a,b ≥ 0 and p,q are rational numbers such that p > 1, and 1/p + 1/q =1, then show that ab ≤ ap/p + bq/q ...
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If a,b ≥ 0 and p,q are rational numbers such that p > 1, and 1/p + 1/q =1, then show that ab ≤ ap/p + bq/q ...
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*Image* ...
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If by any change of axes and without change of origin, the quantity ax + 2hxy + by becomes, a'x' + 2h'x'y' + b'y' , the axes being rectangular in each case , then prove that, a + b = a' + b', and ab - h2 = a'b' - h'2 . ...
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If a,b ≥ 0 and p,q are rational numbers such that p > 1, and 1/p + 1/q =1, then show that ab ≤ ap/p + bq/q ...
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Reduce to simplest form tan^{-1}(\frac {xcos\theta}{1-xsin\theta})-cot^{-1}(\frac {cos\theta}{x-sin\theta}) ...
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Nitrogen fluoride is more stable than any of Nitrogen chloride and Nitrogen iodide. The last two are unstable and explosive. Why is this so ? ...
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If a,b ≥ 0 and p,q are rational numbers such that p > 1, and 1/p + 1/q =1, then show that ab ≤ ap/p + bq/q ...
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If a,b ≥ 0 and p,q are rational numbers such that p > 1, and 1/p + 1/q =1, then show that ab ≤ ap/p + bq/q ...
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15. Equation of a line is given by y+2at=t(x-at2), t being the parameter. Find the locus of the point of intersection of the lines which are at right angles. 16.The ends A,B of a strait line line segment of a constant length ...
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prove for all integral n, 2n >= 1 + n.2(n-1)/2 ...
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To the person who never showed his face, To the person who never told his name, But never hesitated to help. HAPPY BIRTHDAY eureka123 ...
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Ques1) A triangle with sides 5,12 and 13 has both inscribed and circumscribed circles. The distance b/w the centres of these circles is (a)2 (b) 5/2 (c) 65 (d) 65/2 Ques2) Given A(0,0) , ABCD is a rhombus of side 5 units wher ...
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Q) A very flexible uniform chain of mass M and length L is suspended vertically so that its lower end just touches the surface of a table.When the upper end of the chain is released, it falls with each link coming to rest the ...
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editted the topic: new topic:plot the graph of, sin(1/x), cos(1/x) ...
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editted the topic: new topic:plot the graph of, sin(1/x), cos(1/x) ...
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Q1) Four athletes are standing at the corners A,B,C and D of a square of side l.They simultaneously start running,such that A runs towards B,B runs towards C,C runs towards D and D runs towards A,each with velocity v.They wil ...
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Q1) Four athletes are standing at the corners A,B,C and D of a square of side l.They simultaneously start running,such that A runs towards B,B runs towards C,C runs towards D and D runs towards A,each with velocity v.They wil ...
