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			find all ordered triples (x,y,z)of real numbers which satisfy the following system of equations: xy = z -x - y xz = y - x - z yz = x - y - z ... 
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			prove 1111111111111111................(91 digits) is not a prime no. ... 
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			prove 1111111111111111................(91 digits) is not a prime no. ... 
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			IF XA=XB/2ZB/2=ZC,THEN PROVE THAT 1/A,1/B,1/C ARE IN A.P. ... 
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			IF XA=XB/2ZB/2=ZC,THEN PROVE THAT 1/A,1/B,1/C ARE IN A.P. ... 
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			prove that if 2n - 1 is prime then n is also prime ... 
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			*Image* find the Eq. capacitance between A and B?????????? ... 
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			Why is β=2α and γ=3α? ... 
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			Prove that continuous functions on the closed interval [0,1] are bounded. ... 
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			i am finding it tough to remember the large no. of organic reactions and mechanisms.................Plz help ... 
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			IN E-Z NOMENCLATURE THERE IS ONE RULE OF DUPLICATION(TRIPLICATION) OF DOUBLE OR TRIPLE BOND......... WHEN THIS RULE COMES HANDY???????PLZ ILLUSTRATE WITH AN EXAMPLE![1] ... 
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			*Image* ... 
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			*Image* ... 
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			Which of the foll will be isotonic at the same temperature? a)0.1 m urea and 0.1m nacl b)0.1 m urea and 0.2m mgcl2 c)0.1m nacl and o.1m na2so4 d)0.1m ca(no3)2 and 0.1m na2so4? With explanation please. ... 
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			The aqueous solution with the lowest freezing point is (1) 0.01 m glucose (2) 0.01 m KCl (3) 0.01 m BaCl2 (4) 0.01 m K4[Fe(CN)6]? With explanation please.thanks ... 
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			The aqueous solution with the lowest freezing point is (1) 0.01 m glucose (2) 0.01 m KCl (3) 0.01 m BaCl2 (4) 0.01 m K4[Fe(CN)6]? With explanation please.thanks ... 
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			The value of scalar triple product remains the same so long as the cyclic order of the vectors a,b,c is maintained i.e [abc]=[bca]=[cab] [abc]=-[bac] Can someone pls explain wat is meant by cyclic order? ... 
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			*Image* ... 
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			I_n=\int_{-\pi}^{\pi}{\frac{\sin nx}{(1+\pi^x)\sin x}} .. n=0,1,2..... then A) In=In+2 B) \sum_{m=1}^{10}{I_{2m+1}}=10\pi C) \sum_{m=1}^{10}{I_{2m}}=0 D)In=In+1 ... 
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			Th emaximum value of the function f(x)=2x^3-15x^2+36x-48=0 on the set A={x|x2+20≤9x} is ... 
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			The dissociation constant of a substituded benzoic acid at 25 degree C is 10-4 The pH of a 0.001 M solution of its sodium salt is ... 
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			if \frac{sin^4x}{2}+ \frac{cos^4x}{2}=1/5 then A) tan2x=2/3 B) \frac{sin^8x}{8}+ \frac{cos^8x}{127}=1/125 C) tan2x=1/3 D) \frac{sin^8x}{8}+ \frac{cos^8x}{127}=2/125 ... 
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			if \frac{sin^4x}{2}+ \frac{cos^4x}{2}=1/5 then A) tan2x=2/3 B) \frac{sin^8x}{8}+ \frac{cos^8x}{127}=1/125 C) tan2x=1/3 D) \frac{sin^8x}{8}+ \frac{cos^8x}{127}=2/125 ... 
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			Let (x,y,z) be points with integer coordinates satisfying th esystem o fhomogeneous equations 3x-y-z=0 -3x+z=0 -3x+2y+z=0 Then the number of such points for which x2+y2+z2≤100 ... 
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			If th efunction f(x) = x3+ex/2 and g(x)=f-1(x) then the value of g'(1) is ... 
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			If th efunction f(x) = x3+ex/2 and g(x)=f-1(x) then the value of g'(1) is ... 
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			The tangent PT and normal PN to the parabola y2=4ax at a point P on it meet its axis at points T and N respectively. The locus of the centroid of the traingle PTN is a parabola whose A) Vertex is (2a/3,0) B) Directrix is x=0  ... 
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			ABC and ABC' be two non congruen ttriangles with sides AB=4, AC=AC'=2√2 adn angle B=30°. The absolute value of the difference between the areas of these triangles is ... 
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			let f:R->R be a continuous function which satisfies f(x) = \int_{0}^{x}{f(t)dt} then the value of f(ln 5) is ... 
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			A line with postive direction cosines passes through the point P(2,-1,2) and makes equal angles with the coordinate axes. The line meets the plane 2x+y+z=9 at point Q. The length of the line segment PQ equals A) 1 B) root 2 C ...