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uploading physics of paper 2 first of all- more will follow if everyone is interested *Image* *Image* *Image* *Image* *Image* *Image* *Image* *Image* ...

let z , w be complex nos. such that z + i ( conjugate of w ) = 0 and zw = pi . Then find arg z.. ...

Evaluate: \lim_{n\to\infty}\dfrac{1}{n}\sum_{k=1}^n\left(\left[\dfrac{2n}{k}\right]-2\left[\dfrac{n}{k}\right]\right) Here [x] represents the greatest integer less than or equal to . ...

i need to control my sleep.........i sleep too much....jee has almost arrived...n since i m in 12th i hav to think about 12th exams too......i need to control my slleping at nite....i want to minimize it for 3 to 4 hours..... ...

find minimum value of f(X)=(X+A)(X+B)/(X+C) SUCH THAT X>-C,A>C,B>C ...

a body can hav kinetic energy without having linear momentum . how is it possible......... explain pls ...

1.equation 2 sin x+3 cos x=10 has infinitely many roots. true/false 2.solutions of √sin x = 1/3 and sin x =1/9 are same.true/false plz give some explanation for ur answers too! ...

$(1) Find \underline{\underline{Least value}} in each cases:\\\\ (i) $3\sqrt{x^2+y^2}+4\sqrt{(x-3)^2+(y-4)^2}$\\\\ (ii) $\sqrt{x^2+y^2}+\sqrt{(x-1)^2+y^2}+\sqrt{x^2+(y-1)^2}+\sqrt{(x-3)^2+(y-4)^2}$\\\\ (iii) $\sqrt{(x-1)^2+(y ...

$The no. of Real roots of the equation $x^6-x^5+x^4-x^3+x^2-x+\frac{3}{4}=0$ ...

Q1) How many real solutions of the following equation are possible: 6x2+77[x]+147=0 where [x] is GIF. q2) If {x} and [x] are fractional and integral part of a real no. x ,then solve [2x]-[x+1]=2x. ...

How was NSEP exam for all those who gave it , if u gave it then what was the answer to question no. 17.?? , c or d ...

Can someone tell me, why the volume of a cone is 1/3∩r2h (i.e., 1/3 times the volume of a cylinder) ? ...

which one of the following contains the most acidic hydrogen and why? *Image* ...

(-3,5), (3,1), (0,3) and (-1, -4) donot form a quadrilateral. ...

this is a question from M.spivak *Image* ...

PLease see page 98 vol1 friction chapter,28 problem. I am not getting the answer. *Image* Find acceleration of M. N1 is normal force between the two blocks and N2 is that between the ground and M. Let M move with acceleration ...

*Image* please solve this ...

If x + 1/y = y + 1/z = z + 1/x then prove that, xyz = x3 = y3 = z3 in simple way... please someone..! ...

A polynomial p(x) when divided by (x-1), leaves the remainder 2, the same polynomial when divided by x-3, leaves the remainder 1. If same polynomial is divided by (x-1)(x-3) what will be remainder? ...

Q. A rubber cord catapult has cross-sectional area 25mm2 and initial length of rubber cord is 10cm. It is stretched to 5cm. and then released to project a missile of mass 5gm. Taking Yrubber = 5 x 108 N/m2, find the velocity ...

This question was asked in FTRE (fiitjee talent reward exam) I was in muddle for sometime..... Someone check...! *Image* ...

If θ is the fundamental period of the function f(x) = sin99x + sin99(x + 2π/3) + sin99(x + 4π/3), then the complex number z = r(cosθ + isinθ) lies in the quadrant??? I m getting θ= 2π/3 and hence the ans should be 2... ...

lim 0 to 2Π∫ecosθcos(sinθ)dθ = ? 1) 2Π2) Π3) Π/2 4) none ...

do we have to send any certificate along with aieee form. plz tell as quickly as possible ...

*Image* CALCULATE CHARGE AT EQUILIBRIUM WHEN BOTH BALOONS HAVE = CHARGE ...

$Determine the minimum value of the expression:\\\\ $A =x^2-10xy+27y^2-8y+8.$\\\\ For what values of $x,y$ take the minimum value of the expression A. ...

1000+40+1000+30+1000+20+1000+10 = ? ...

Consider these two questions- 1) find the number of non negative integral solutions of x+y+z+w = 20 2) find the number of positive integral solutions of x+y+z+w = 20 answer to 1) is 23C3 and 2) is 19C3 Is there any difference ...

log(1+x)= x - xx/2 + xxx/3 - xxxx/4 ....... x=1, log 2 = 1 - 1/2 + 1/3 -1/4 .... multiply both sides by 2, 2log2 = 2 - 2/2 +2/3 -2/4 +2/5 -2/6... = 2- 1 + 2/3 -1/2 +2/5 -1/3... =1 -1/2 + 1/3 -1/4 .... 2log2 = log 2 2=1 ...

1. If x,y and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0. Then, x + y + z = (A) -12 (B) 0 (C) 8 (D) 12 Please do show the steps..! ...