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sorry for multiple posting ...
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Please post a detailed explanatory solution to the following. *Image* Thanks ...
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I always was and am confused with POSITIVE and NEGATIVE signs for the square roots!So,please answer these seemily STUPID questions [1] so that i remain no longer confused! √4=? 41/2=? ...
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The other day i was solving a logical reasoning problem. One of the statement of the problem read as follows: "Consider a two digit INTEEGER x such that the sum of digits is 3" Confusion: We can have x of ±AB form where A an ...
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what does the phrase "nestles atop" mean? ...
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ZENO's paradox A man standing in a room can not walk to the wall. In order to do so, he would have to go half the distance, then half the remaining distance, and then again half of what shall remains. This process can always ...
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I n how many ways is it possible to arrange 2n persons of different height in two ranks of n persons each so that in each rank they stand according to height and, besides, so that each man in the first rank is taller than the ...
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There are n children on a merry-go-round. They' decide to change places so that somebody else is in front of each one. In how many ways can they achieve this? ...
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*Image* ...
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what is its significance?how is it useful? ...
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*Image* ...
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doubt-1: *Image* doubt-2: *Image* in this second doubt i can't understand how we came up with the condition to be satisfied for one root to be sqaure of other? ...
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*Image* ...
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*Image* i have read that irrational roots must be conjugates and not a multiple in this case..or have i completely misunderstood the question? ...
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*Image* ...
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If in an AP,the sum of m terms is equal to sum of next n terms as well as sum of next p terms,then prove: (m+n){(1/m) -(1/p)}=(m+p){(1/m)-(1/n)} My attempt: from given information we can say that 2m{2a+(m-1)d}=(m+n){2a+(m+n-1 ...
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If a,b,c,d and p are Real. (a2+b2+c2)p2-2(ab+bc+cd)p+(b2+c2+d2)≤0 a,b,c,d are in ___? ...
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Let Sn denote sum of first n terms of an AP.If S2n = 3 Sn then ratio S3n:Sn=? had been trying it for whole day today but unable to solve it so finally sending it here! ...
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problem-1: a, b be real numbers such that 0 ≤ a ≤ b ≤ 1. prove: 0 ≤(b − a)/(1 − ab) ≤ 1, ...
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Find sum of first hundred terms appearing in BOTH 17,21,25......... and 16,21,26............ ...
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http://www.targetiit.com/iit-jee-forum/posts/progressions-solution-needed-19365.html ...
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For some integer a, the equations 1988x2+ax+8891 = 0 and 8891x2+ax+1988 = 0 share a common root. Find a. i don't have answer.i am getting a=±10879.is it correct? ...
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my younger brother wants a standard definition of term-HUMAN ENVIRONMENT,i am unable to find one on the net...if anyone of u have a good definition plz help me! thank you! ...
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is their any software/application available for arranging a LIST OF WORDS i have with me in same order as in a dictionary? ...
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my sir asked me to draw the graph of f((x+1)/3). I used this approach: f(x)→ f(x/3)→f((x+1)/3) a friend of mine used this f(x)→f(x+1) and then he changed the variable to x/3 with believe that this gives graph of f((x+1) ...
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is the following compound aromatic?how to tell if such a compound would be planar or not? *Image* ...
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How many attempts are allowed at aieee.Like suppose someone who wrote aieee in 2011 on a drop year basis!(that is aieee 2011 was hi SECOND ATTEMPT)Are any more attempts left for him/her? ...
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1/(1*4) +1/(4*7)+1/(7*10)+......................∞=? ...
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Problem 1: If a1,a2,.........an-1,an are in AP prove: 1/(a1an) + 1/(a2an-1)+1/(a3an-2)+..............+1/(ana1)=[2/(a1+an)][1/a1 + 1/a2+ 1/a3 +.........+ 1/an] ...
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We were being taught about BENZENE SUBSTITUENTS EFFECT ON ITS REACTIVITY-An INDUCTIVE APPROACH! My teacher said it is quite obvious that "INDUCTIVELY" methyl group donates electrons to benzene ring! My doubt:How obvious is th ...
