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(2) If Roots of the equation 2006x^{6}+100x^{5}+10x^{3}+x-2=0 are in the form of (m+\sqrt{n})/r where m and n are non zreo integer and n , r are relatively prime .find m+n+r ...
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f(x) is a periodic fn with pd λ and f(x-\frac{\lambda }{2})=-f(x) ,then show thta g(x+\lambda)=g(x) where g(x)=\int_{0}^{x}{f(t)dt} ...
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Q1 If a1,a2,..a101 is an arrangement of the numbers 1,2,...101 then prove that the product of (1-a1)(2-a2)...(101-a101) is an even integer I wasnt in favour of starting aonther revision thread on P&C beocz already many exist. ...
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FInd the sum of inifnite series a1+a2+a3+..... where a_n=(log3)^n\sum_{k=1}^{n} \frac {2k+1}{k!(n-k)!} ALso it is known that a0,a1,a2.... be the coefficients in the expasion of (1+x+x2)n in ascending power of x i have calcula ...
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*Image* (irodov) ...
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*Image* ...
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sininverse((2x+2/( 4x2+8x+13 ))) ...
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A balloon is ascending vertically with an acc of 0.2m/s2.Two stones are dropped from it at an interval of 2 sec.Find the distance between them 1.5 sec after the second stone is released(g=9.8) ...
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Fig shows the v-t graph of particle moving in straight line.Find the time when particle returns to the starting point *Image* ...
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if p1 and p2 are the probability of speaking the truth of two independent witnesses A and B then find the probabilty that der combined statement is true ...
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Find the last three digits of 17256 ...
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Question. Consider a solid sphere of radius r and mass m which has charge q distributed uniformly over its volume.The sphere is rotated about a diameter with an angular speed x . Show that the magnetic moment y and the angula ...
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MORE THAN ONE CORRECT Q1 active mass = a)a=f.Cm b)a=r.Cm c)Amount of substance per unit volume d)No. of moles per unit litre Q2 consider eq eqn CH3COOH +HF <---->CH3COOH2 - +F - a)F- is conj base of HF b)F- is conj base ...
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jee 2010 form problems... 1) do I need to fill item no. 5 second part ? 2)do I need to fill item no. 11 (choice of counselling centre) 3)do I need to attach 12 th certificate too ??? plzz its urgent ...
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http://www.google.co.in/search?client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&channel=s&hl=en&source=hp&q=Strange+creature+in+Panama&meta=&btnG=Google+Search Now say : do aliens exist ???? This is not a fake story.....it ...
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A charged particle x moves towards another charged particle y . For the system of x and y , the total momentum is p and the total energy is E . Then : (a) p and E are conserved if both x and y are free to move (b) p and E are ...
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i have obc certificate if i apply for reservation is it compusory that v should consider only obc ranking for admission......??????? or even if v apply will i be having option to go in ge category (during admission )depending ...
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i have obc certificate if i apply for reservation is it compusory that v should consider only obc ranking for admission......??????? or even if v apply will i be having option to go in ge category (during admission )depending ...
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100 ml of 0.1 M NaAl(OH)2CO3 is neutralised by 0.25 N Hcl to form Nacl ,Alcl3 & CO2 Volume of Hcl reqd is ... (A) 10 mL (B) 40 mL (C) 100 mL (D) 160 mL ...
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*Image* Explain the order for the methyl aniline and ethyl aniline.. The rest are obvious ...
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MATCHING (A) Nacl & Na2SO4 1)Titrating with std solution of H2SO4 (B) Hcl & H2SO4 2)Heating the mixture (C) NaHCO3 & Na2CO3 3)Titrating with std solution of NaOH (D) CaCO3 & MgCO3 4) Treating with excess of Bacl2 ...
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*Image* *Image* ...
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1/(sinx+cosx) ...
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If a0,a1,a2.... be the coefficients in the expasion of (1+x+x2)n in ascending power of x then prove that 1) (r+1)a_{r+1}=(n-r)a_r+(2n-r+1)a_{r-1};0<r<2n 2) (a_0+a_3+a_6+...)=(a_1+a_4+a_7+...)=(a_2+a_5+a_8+...)=3^{n-1} i ...
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the bob of a stationary pendulum is given a sharp hit to impart it a horizontal speed of 3gl . find the angle rotated by the string before it becomes slack? ans:cos-1 1/3 ...
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If there are 'm' non concurrent and non parallel lines, then what is the maximum number of points which are equidistant from all the 'm' lines? from another IIT JEE forum ;) ...
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q)the lengths of the tangents drawn from vertices A,B,C to the incircle of triangle ABC are 5,3,2 respectively.IF THE LENGTHS OF THE PARTS OF THE TANGENTS WITHIN THE TRIANGLE WHICH ARE DRAWN PARALLEL TO THE SIDES BC,CA,AB OF ...
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while doing a sum the emf of a battery in a circuit came out to be negative.surprisingly the answer was negative.how is it possible.how is the current flowing then?? ...
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*Image* A uniform chain of length l and mass m is hanging vertically from its ends A and B which are close together . At a given instant the end B is released. What is the tension at A when B has fallen a distance x [x<l] ...