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The integral values of a for which the quadratic equation (x – a)(x – 10) + 1 = 0 has integral roots are a. -1, 3 b. 2, 3 c. 12, 8 d. -8, -12 ...
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If the wavelength of incident light on a)concave mirror and b) convex lens is increased, how will the focal length of each of these change.Give reason. ...
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A simple question --why is CO more stable than SiO ?? I initially thought that the size mattered , or simply inert pair effect was there . But that was not the answer at all !!! Try , fellows ...
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i m trying to learn to draw graphs , and i m facing a few problems with it. we kno how to draw graph of a quadratic , and we can also draw graph of a few simple trigo functions but when there is a situation such that the func ...
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Find the domain of the function: f(x)= cos (sin x) + sin-1 1+x2/2x ...
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the solution of 2 ^ x + 2 ^{| x|} \geq 2\sqrt{2} is ...
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i Na2S2O3 + dil HCl → ii Na2S2O3(aq) + Cl2 → iii SO2 + H2S → iv H2S + H2O2 → the reacns givin yellow turbidity are: a)ii,iii,iv b)iii and iv c)i,iii,iv d)i,ii,iii,iv ...
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\frac{1}{ 1 + x^{n- m} + x^{p-m}} + \frac{1}{1 +x ^{m-n}+x^{p-n}} +\frac{1}{1 + x^{m-p}+x ^{n-p }} = y THEN FIND dy / dx ...
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*Image* What are A and B? ...
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what is the argument of a real number?i think it's 0(as imaginary part is 0,tan-1 (y/x)=0) but according to fiitjee the statement is false. plz verify as soon as possible! ...
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Let S(n) denote the number of ordered pairs (x,y) satisyfing \frac{1}{x}+\frac{1}{y}=\frac{1}{n} where n > 1, , and x,y,n \in N (1) FInd the value of S(6) (2)Show that if n is prime , then S(n) = 3 always ...
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a rectangular container of height 3m,width 3m each is filled with ideal liquid upto 3/2m.Container is pulled horz with acc a=g.The gauge pressure at point A as shown in fig is P1. if container is completely filled with liq an ...
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Q1. If f(x) = x\int_{0}^{1}{f(x)}dx + \int_{0}^{2}{f(x)}dx-5 , and the area of the region bounded by y= f(x) and y=(1-x) between x=0 and x=1 is A, then 2A equals _______ Q2. If f(x) = \int x^{x+1}(logx+(logx)^2)dx and f(1) = ...
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psoting some doubts of functions here...plzz help... 1. range of f(x) = 1/2-sin 3x , m getting [1/2,1]...but the answer is [1/3,1]. 2. If f(x) is an odd peridic function with period 2 then f(4) equals...?? 3. f:R→R...then f ...
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A rat is at a position R and a snake is at S in the field as shown below. The moment the rat starts running uniformly in a direction making an angle of 20 degree with the line RS, the snake moves to catch its prey. If the sna ...
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St 1 A positively charged sphere and negatively charged sphere r kept at a finite distance The total electrostatic PE of the system must be negative St 2 PE b/w 2 like charge particle is +ve and 2 unlikely charged particles i ...
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Inner orbital octahedral complexes of Ni2+ ion r not formed TRUE/FALSE ...
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ASSERTION The induced electric field in a time varying magnetic field is non conservative REASON The induced Emf across a closed path in a time varying B field is non zero ...
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if g(x) is a polynomial satisfying g(s)g(y)=g(x)+g(y)+g(x y)-2 for all real x and y and g(2) = 5, then find g(3). ...
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What is the angle made by the displacement vector of the point of a wheel (of radius R) initially in contact with the ground, with the x-axis, when the wheel rolls forward 3/4th of a revolution? ans is tan inverse 7/33.... i ...
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*Image* for what height h of water in vertical cylinder will the piston be in equilibrium? a)r b)2r c)r/2 d)r/3 ...
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This is to inform all of u about the targetiit test series 2010 which will commence from august 25th and continue till april1st. firstly, coming to the dates of the exams: this is only the dates for the exams that would take ...
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i m greatly confused between d friedel craft reactions which consists of acylation n alkylation ... dis according to d ncert buk is given is 1st chapter haloalkanes n haloarenes.. n gain in d second chapter it states of sum o ...
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1..WHAT IS THE COORDINATION NUMBER OF N IN LI3N ??? ...
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∫ x2/(xsin x+ cos x)2 dx ...
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posted in misc section..coz they are all mixed ques.. Explain these statements: 1)Radius of H+ ion is radius of nucleus and not radius of shell 2)The point r=0 is not considered as node 3) *Image* 4)If sinx= 5±1/5m-m2 and fo ...
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maybe this has been doen before..but i ma not getting link... if it hasnt been..then plz help n=1Σ∞ n/4n4+1 ...