-
Q. IF x= a sec θ, y = b tan θ, prove that d2y/dx2 = - b4/a2y3. ...
-
Is the unit of molar conductance and molar conductivity same? My book says that the unit of the former is Scm2mol-1 which is the unit of molar conductivity. Any ideas? ...
-
Best of luck for your results :) ...
-
find the largest interval in which x lies satisfying x^{12}-x^{9}+x^{4}-x+1>0 ...
-
*Image* ...
-
i want to confirm as there are three atempts for aieee ...IS a person presently studying in one of the nit's or other colleges under aieee eligible to regive aieee next year and if securing better rank eleigible to get better ...
-
Find\; maximum\; value\; of \frac{\Delta ^3}{abc(a+b-c)(b+c-a)(c+a-b)} ...
-
There are two urns each containing an arbitrary number of balls. We are allowed two types of operations: (a) remove an equal number of balls simultaneously from both the urns, (b) double the number of balls in any of them Sho ...
-
two planes 1 and 2 hit a plane in succession . the probability of 1 and2 scoring hit correctly is 0.3 and 0.2 respectively. The second plane will bomb only if 1misses it. probability the target is hited by 2nd one ans-0.32 ...
-
1. If ABCD is cyclic quadrilateral, show that AC . BD = AB . CD + BC . AD 2. In a ΔABC, show that a3 cos (B – C) + b3 cos (C – A) + c3 cos (A – B) = 3 abc ...
-
1. A man observes, that when he moves up a distance c meters on a slope, the angle of depression of a point on the horizontal plane from the base of the slope is 30º; and when he moves up further a distance c meters the angl ...
-
(1) If |z - 25 /z - 5| = 5 then find |z| = ...
-
With a change in hybridisation of the carbon bearing the charge, the stability of a carbanion increase in the order : ( arrange sp, sp2, sp3) It should be sp3>sp2>sp because of the repulsion of pi electrons. But the ord ...
-
*Image* Find the missing number. Tell me how did you get it. This one is interesting. ...
-
*Image* ...
-
1. If p, q, r be in H.P. and p and r be different having same sign, then the root of the equation px2 + 2q + r = 0 will be (A) Real (B) Equal (C) Imaginary (D) None of these 2. If the equation (k – 2) x2- – (k –- 4) x- – ...
-
is their any software/application available for arranging a LIST OF WORDS i have with me in same order as in a dictionary? ...
-
Tangents are drawn to curve y=sinx from the origin. Find the locus of points of contact of these tangents. ...
-
find the min. velocity with which an object must be projected horizontally so that it doesen't returns back to the surface acc to this link{ques c]}, ans shud be root [gr] http://www.targetiit.com/iit-jee-forum/posts/interest ...
-
my sir asked me to draw the graph of f((x+1)/3). I used this approach: f(x)→ f(x/3)→f((x+1)/3) a friend of mine used this f(x)→f(x+1) and then he changed the variable to x/3 with believe that this gives graph of f((x+1) ...
-
In a Class of 300 students, 60 students read all News-paper and a News-paper is read by 5 students. Then find total no. of News -paper. ...
-
*Image* ...
-
What is the significance of negative work done? ...
-
Please help me.... *Image* ...
-
Q.1 If a, b,c and u ,v ,w are the complex numbers representing the vertices of two triangles such that c= (1- r) a +rb and w =(1-r)u +rv, where r is a complex number, then the two triangles (a) same area (b) are similar (c) a ...
-
$Calculate $\int_{0}^{\infty}\frac{tan^{-1}(\frac{x}{3})+tan^{-1}(3x)}{1+x^2}dx$ = ...
-
This question relates to dissociation of Methanoic Acid (HCOOH) to Methanoate ion (HCOO-) in H2O Solvent. HCOOH + H2O -> HCOO- + H3O+ A book says there is delocalisation in both methanoic acid and methanoate ion but it wil ...
-
if, a2 + b2 + c2 = ab + bc + ac then find the relation between a,b and c for real values of a,b and c. sitter question no doubt... ...
-
Let ABCDEF be a convex hexagon in which the diagonals AD, BE, CF are concurrent at O. Suppose the area of traingle OAF is the geometric mean of those of OAB and OEF; and the area of triangle OBC is the geometric mean of those ...
-
$\textbf{Find no. of integral values of $\mathbf{a}$ such that\\\\ $\mathbf{\sqrt{9-a^2+2ax-x^2}>\sqrt{16-x^2}$}}$\\\\ $\textbf{for atleast one positive Real value of $\mathbf{x}$}.$ ...