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COMPREHENTION There is a point 'p' inside an equilateral triangle ABC of side d whose distance from the vertices is 3,4,5 . Rotate the triangle, through 60° about C . Let A go to A' and P to P'. 1) The area of triangle PAP' ...
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If |z|2 + A(bar) z2 + A z(bar)2 + B(bar) z + B z(bar) + c=0 represents a pair of straight lines intersecting with angle θ, then the value of |A| is- a) tanθ b) cosθ c) secθ d) secθ/2 Sorry for the inconvenience, the late ...
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Find the no. of ways of arranging 5 identical green, 4 identical blue and 3 identical yellow balls in a row such that none of the identical balls form a block (or in other words...comes serially :-). ...
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If A and B are two independent events such taht P(A)>0 and P(B)≠1 ,then P(A/B)= ? ...
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thnx avik ...
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Find the probability distribution of the number obtained by throwing a dice once ...
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A bag contains tickets numbered 1,2,3..........50 of which 5 tickets x1,x2,x3,x4,x5 are drawn at random and arranged in ascending order of magnitude x1<x2<x3<x4<x5.What is the probability that x3=30? ...
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total no of functions f from the set A={0,1,2} to set B={0,1,2,3,4,5,6,7} such that f(i)<=f(j) for all i<j.i,j ε A...is answer 10C3 ...
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maximum no. of ways of distributing 15 distinct objects to three persons such that..the no. of objects received by the persons are in A.P. Ans (15)! / (5!)3 ...
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Can anybody show the solution to this question..... total no. of integral solution to abcd=1050 ...
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Show that (n2)! is divisible by (n!)^n ...
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Write 271 as the sum of positive real numbers so as to maximize their product more of calculus than algebra[4] ...
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Denote by Sk the sum to k terms of an AP. If for some two indices m and n it is known that Sm=Sn, for what index i, does Si attain a real extremum. ...
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(1) If c,d are the roots of the equation x2+ax+b=0 and a,b are the roots of the equation x2+cx+d=0 then find the value of a+2b+3c+4d = ...
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Find the total number of ways in which a pack of 52 cards can be arranged in 4 sets, such that 3 sets contain 17 cards each, and 1 set contains only 1 card. ...
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MULTIPLE ANSWER QUESTION If f(x) = 0 is a polynomial whose coefficents are all ± 1 and whose roots are all real, then degree of f(x) can be equal to (A) 1 (B) 2 (C) 3 (D) 4 ...
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HOW DO WE DETERMINE A WHETHER A POLYNOMIAL f(x) < 0 or not {WITHOUT USING GRAPHS !!!!!!!!!) I MEAN IF V CONSIDER A QUAD EQN THEN f(x) > 0 if a>0 & D <0 & reverse for f(x) < 0 Is this condition true always ????? ...
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total number of 6 digit number formed by 0,1,2,3,4,8.no digits should repeat ....is a)216 b)150 c)116 d)98 ...
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according to descartes theory of equation f(x) cant hv more posititve than changes in the expression does it also include 0 as the root n in the iit protion is the question just till quadractic equations or theory of equation ...
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Here's a problem that I found out in an olympiad book......and I really enjoyed solving it. The question is : Find the sum of the given expression : [ n+1/2 ] + [ n+2/22 ] + [ n+22/23 ] + ................ + [ n+2k/2k+1 ] wher ...
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5 ladies and 5 gents are to be arranged in a row..Find no. of ways so that no two ladies are together Method 1 place 5 gents on 5 seats(leaving one space) with 5! ways and then we have 6! ways to place ladies in vacant seats ...
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\\\texttt{ Given the three digit number } N= a_1a_2a_3.. m_1,m_2,m_3 \\\texttt{ are the smallest possible natural number such that N is divisible by 7 whenever } \\ m_1a_1+m_2a_2+m_3a_3 \texttt{ is divisible by 7 then} \\ \te ...
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(1) find all real valuse of x and y that satisfy the equation x2-xy+y2-4x-4y+16=0 (2) all psitive Integral solution of y2+6xy-16x=0 ...
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assertion-reason STATEMENT 1 : If f(X) = cosx + 2cos k x , k ε θ, k≠0 then f(x) = 3 has infinite solution AND STATEMENT 2 : The function f(x) is periodic. ...
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Let P,Q are two points on the curve y = log1/2(x - 1/2 ) + log2 4x2 - 4x + 1 and P is also on the circle x2 + y2 = 10 , θ lies inside the given circle such that its abscissa is an integer . 1) OP . OQ , O being the origin is ...
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1) \\\textit{Find the values of }\left | a \right |+\left | b \right |\textit{such that the identity }\\ \left | ax+by \right |+\left | bx+ay \right |=\left | x \right |+\left | y \right |\emph{holds } \forall x ,y\epsilon R ...
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\texttt{the number of ordered triplet(x,y,z) such that LCM(x,y)=3375,LCM(y,z)=1125,LCM(z,x)=3375 is} ...
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Q. For some Natural No. N the no. of positive integral 'x' satisfying the equation 1! + 2! + 3! + ....... + (x!) = (N)2 is: A) None B) one C) two D) infinite I've found the values of x as 3 and 1. So total of 2 values is poss ...
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Consider the polynomials f(x) =a_1 +a_2x+a_3x^2+a_4x^4 and g(x) =b_1 +b_2x+b_3x^2+b_4x^4 where all coefficients are real It is known that \forall \ x \in \mathbb{R} \ \ [f(x)] = [g(x)] Is it necessary that f(x) = g(x)? ...