Recently Active Algebra Questions

if the roots of the equation x2-px+q=0 differ by unity then p2= ...

it is a very good concept reckoner:: three processes A,B,C are mutually independent, are they independent as a whole?? prove your answer.. ...

LETA,B,C ε R SUCH THAT 4A+2B+C=0 AND AB>0 THEN EQUATION AX2+BX+C=0 HAS WHICH ROOTS REAL,COMPLEX ...

THE ROOTS OF THE EQN |X2-X-6|=X+2 ARE ...

Assertion: If the probability of an event A is 0.4 and that of B is 0.3,then the probability of neither A nor B occuring depends upon the fact that A and B ,are mutually exclusive or not Reason: Two events are mutually exclus ...

WHAT IS MAX NO 4 LETTER WORD USING THE LETTERS OF THE WORD "mediterranean" SUCH THAT IT STARTS WITH 'e' AND END WITH 'r' ...

there are 4 circles & 4straight lines . what is the max no.of points of intersection? give me a solution ...

find minimum and maximum value of x^2+y^2 if (x-3)^2+(y-4)^2=10^2 ...

There are 'n' points situated on a plane such that no two of the lines joining them are parallel and no three are concurrent except at given points.Find the no. of points of intersection (other than the given points) ...

x/(1-2^x)-x/2 is what even odd or both or none? ...

Find the number of triangles that can be formed with the vertices of a polygon of 10 sides as vertices ,if 1)The triangles can not have more than one side common with the polygon 2)The triangle can not have any side common wi ...

1. SOLVE | 2x + 1 | - | 2 x - 2 | = 5 ans:[2,∞) 2.Prove that x5+ax4+bx3+cx2+dx+e=0 cannot all have real roots if , 2a2<5b ...

1.PROVE THAT nn+1>(n+1)n. 2.Which is larger:: 10001000 or 1001999?? ...

If (1+x)n=C0+C1x+C2x2+.....+Cnxn then prove that C0/1 - C1/22 + C2/32 - C3/42+.....+(-1)nCn/(n+1)2 =1/(n+1) [1+(1/2)+(1/3)+.....(1/(n+1))] ...

*Image* In how many different ways the letters of the word VECTOR can be placed in the 8 boxes of the given figure so that no row remains empty? ...

Q.A man tells lie every three out of 4 times .whats the probablity that he will report the outcome 6 of a die ...

If a=(z-i)/(z+i) then show that when z lies above the real axis , a will lie within the unit circle which has the centre at origin.Find the locus of a as z travels on real axis from -∞ to +∞. ...

*Image* two rats A and B having initial positions at A and B at t=0. Rat A start chasing rat B with constt speed u. at the same time rat B start running in +ve x-axis with same speed. Find te mini distance btw them. ...

Find a 3 digit number whose digits are in A.P. and if 400 is added to it, then its digits are in G.P. ...

1 + 1/(2*2) + 1/(4*3) + 1/(8*4) + 1/(16*5).....to infinite terms ...

soln of equation mod z - z =1 + 2i it seeeems easy quadratic type i replaced z by √x2 + y2 z by x + yi . but it seeems lil dufficult . answer is x = 3/2 y = -2 can witout quad this b solved >>>>>& ...

A five digit number is formed by using digits 1,2,3,4,5 without repetition.Find the number of the numbers,thus formed which are divisible by 4. ...

A cricket eleven has to be chosen from 15 players of whom 6 can bowl and 3 keep wickets,while none of them can keep wicket and bowl.In how many ways can this be done if it is to contain at least 4 bowlers and 2 wicketkeepers ...

How many 7 digit numbers are there,divisible by 8 which are formed by writing the digits 1,2,3,4,5,6,7(repetition not allowed) ...

Suppose we have three different toys and we want to give them away to 2 girls and 1 boy(one toy per child).The children will be selected from 4 boys and 6 girls.In how many ways this can be done???? ...

pls sum the series........ 1(2+3+4+....+n) + 2(3+4+5+..........n) + 3(4+5+6+.............n) +.............+ (n-1)n ...

Can any one pls explain me A.G.P formula.............. does it have just one formula? ...

The result of 21 football matches(win/lose/draw) are to be predicted.Find the number of different forecasts which contain exactly 18 correct results. ...

no of ways in wich d first 3 moves of chess can b played ? ...

Find the no of possible sudokus that can be formed with no's from(1 to 9) ...