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Give different ways of finding whether a function is onto or not. ...

i was browsing the net for a book by david morin and i found this site http://translate.googleusercontent.com/translate_c?hl=en&sl=zh-CN&u=http://phys.5d6d.com/thread-431-1-2.html&prev=/search%3Fq%3Dhttp://phys.5d6d.com/threa ...

Q1. Remainder when the number 111....1 (123 ones) is divided by 271 is Q2. The period of the function such that f(x-1) + f(x+1) = 2 f(x) is Q3. Let S=\sum_{k=1}^{80}{\frac{1}{\sqrt{k}}} . Then [S] equals where [] is GINT Q4. ...

Here β represents beta function Q1 If \int_{0}^{n}{(1-\frac{x}{n})^n}x^{k-1}dx=R.\beta (k,n+1) find R Q2 If \int_{0}^{\infty}{\frac{x^{m-1}}{(1+x)^{m+n}}}dx=k.\int_{0}^{\infty}{\frac{x^{n-1}}{(1+x)^{m+n}}}dx ,find value of k ...

Find the value of cos(Î /14).cos(3Î /14).cos(5Î /14) using complex numbers. ...

Consider a large hollow sphere of radius 'R' in which small solid sphere of radius 'r' has to be placed in closest pascking. ( assume r=R/10) 1) Maximum no. of small spheres that can be filled into the large hollow sphere are ...

a chord of a circle is selected at random whats the probability that the length of the chord would be greater than the radius of the circle ...

In mineral A2B, atoms B form CCP structure while A atoms occupy the voids within this structure. What are the coordination numbers of atoms A and B ? Name the voids in which atoms A are present and what fraction of these void ...

prove that : (3+ 3 ) + (3- 3 ) <2 3 ...

f(x) = x3 + x2 + kx + 4 is increasing function and the least positive integral value of k is P1. If the angle between y=\left[\sqrt{1-sin^2x}+\sqrt{1-cos^2x} \right] (where [] represents greatest integer function ) and X- axi ...

http://www.vit.ac.in/admissions.asp B.TECH. ADMISSION CALENDAR Date of Advertisement December 14, 2009 Date of Issuing the Application Forms December 14, 2009 Last Date for Submitting the Forms February 20, 2010 VITEEE-2010 A ...

how to find the area of a equilateral tiangle inscribed in a circle. and how to find the other end of a diameter if the equation of the diameter is given and one end point is given.plz help!!! ...

a block tied between two identical springs is in equilibrium . if the upper spring is cut, then the acceleration of the block just after the cut is 6 m/s2 .now if instead of the upper string, the lower string is cut then the ...

Q1 no of six digit nos which have sum of digits as odd integer Q2 find Ak if \frac{m!}{x(x+1)(x+2)..(x+m)}=\sum_{i=1}^{m}{\frac{A_i}{x+i}} Q3 largest two diigt prime number that divides ^{200}C_{100} Q4 no. of natural nos n f ...

A conducting loop of radious R is placed in a uniform ,tranverse magnetic field region of strength B. radious of the loop is increasing with time as r=r0. Induced emf in the loop varies with time as (center of the loop coinsi ...

1> lim n→∞ ( xn/n!) 2> lim n→∞ n2(x1/n - x1/(n+1)) also say the method ...

do there exist 1 000 000 positive integers such that the sum of any collection of these integers is never a perfect square. ...

find all real solutions of the system (x+y)^{3}=z\, ,(y+z)^{3}=x\, ,(z+x)^{3}=y ...

Streptimidone is an antibiotic and has the structure shown. How many stereoisomers of streptimidone are possible? How many enantiomers? Using the E,Z and R,S descriptors, specify all the essential elements of stereochemistry ...

1)two planets A and B describe circles of radii r1 and r2 round the sun as centre with speed varying as the square root of their radii... Find the angle between the radii of these two planets when their relative angular veloc ...

Identify Inorganic salt (A) which is hydrated and light green in colour and gives following reactions : (i) (A) decolorises acidified MnO4-and turns acidified Cr2O72- green. (ii) (A) in aq. solution gives light green turbidit ...

He can be excited to 1s1 2p1 configuration by light of 58.44 nm . The lowest excited singlet state , with the configuration 1s 1 2s 1 , lies 4857 cm-1 below the 1s1 2p1 state . What would be the average He - H bond energy hav ...

when we mix solute in solvent to prepare a non ideal solution showing +ve deviation the solution becomes (1)hot (2)cold (3)may become cold or may be hot (4)none of these answer with explanation ...

Q. Which of the following statements is true? (a) e3 > 3e (b) e2 > 2e (c) epi > pie (d) epi > pie/2 not my doubt :) ...

FIND THE VALUE OF THE LIMIT AND SAY THE PROCEDURE lim n→∞ 1/2 tan(x/2)+1/22 tan(x/22)+1/23 tan(x/23).........+1/2n tan(x/2n) ...

Lim x→0 (1/x2) - cotx ...

Given : Ag(NH3)2+→ Ag+ + 2NH3, Kc = 6.2 × 10–8 and Ksp of AgCl =1.8 × 10–10 at 298 K. If ammonia is added to a water solution containing excess of AgCI(s) only,. Calculate the concentration of the complex in 1.0 M aqu ...

let 3 nos are removed from the set{2,22,23,24,.......2n} the GM of remaining nos is 237/5.........find the value of n partially a doubt :P want to confirm the ans ...

the masses m1,m2and M are 20,5,50 kg respectively .the coefficient of friction between m1 and M and that of m2amd ground is 0.3.the string and pulleys are maseless.the string is perfectly horizontal between p1 and m1 and also ...

FIND THE VALUE OF THE LIMIT AND SAY THE PROCEDURE lim n→∞ 1/2 tan(x/2)+1/22 tan(x/22)+1/23 tan(x/23).........+1/2n tan(x/2n) ...