## If a1, a2, a3, ...., an, ... are G.P., then the value of the determinant  is If a1, a2, a3, ...., an, ... are G.P., then the value of the determinant is

Anonymous User Maths Complex Numbers 26 May, 2020 90 views

## Let A =  and 10(B) = .  If B is the inverse of matrix A, then what is the ? Let A = and 10(B) = If B is the inverse of matrix A, then what is the ?

Anonymous User Maths Complex Numbers 26 May, 2020 57 views

## Let A =  ̄ The only correct statement about the matrix A is Let A = ̄

The only correct statement about the matrix A is

Anonymous User Maths Complex Numbers 26 May, 2020 60 views

## If A =  and A2 = , then If A = and A2 = , then

Anonymous User Maths Complex Numbers 26 May, 2020 57 views

A motor boat going down stream over came a raft at a point A, t = 60 min later it turned back and after some time passed the raft at a distance l = 6.0 km from the point A. Find the flow velocity assuming the duty of the engine to be constant?

Anonymous User Physics 26 May, 2020 72 views

A current carrying wire heats a metal rod. The wire provides a constant power (P) to the rod. The metal rod is enclosed in an insulated container. It is observed that the temperature (T) in the metal rod changes with time (t) as Where is a constant with appropiate dimension with is a constant with dimension of temperature .

The heat capacity of the metal is?

Anonymous User Physics 26 May, 2020 112 views

## What is maximum acceleration so that so that two block move together? What is maximum acceleration so that so that two block move together? Anonymous User Physics Laws of Motion and Friction 25 May, 2020 85 views

Two particles of masses m1 and m2 are placed 'd' distance apart. Due to gravitational attraction they move towards each other.What is speed of m1 when their separation reduces to d/2.

Anonymous User Physics Laws of Motion and Friction 24 May, 2020 104 views

## What is the Value of ? What is the Value of ?

Anonymous User Maths Complex Numbers 23 May, 2020 64 views

## If z = x – iy and z1/3 = p + iq, then when will value of ? If z = x – iy and z1/3 = p + iq, then when will value of ?

Anonymous User Maths Complex Numbers 23 May, 2020 76 views

## Let z, w be complex numbers such that z +  = 0 and zw =  Then arg z equals Let z, w be complex numbers such that z + = 0 and zw = Then arg z equals

Anonymous User Maths Complex Numbers 23 May, 2020 64 views

Let z1 and z2 be two roots of the equation z2 + az + b = 0, z being complex further, assume that the origin, z1 and z2 form an equilateral triangle, then what will be a2?

Anonymous User Maths Complex Numbers 23 May, 2020 69 views

If z and w are two non­-zero complex numbers such that |zw| = 1, and Arg(z) – Arg(w) = then zw is equal to

Anonymous User Maths Complex Numbers 23 May, 2020 73 views

Two particle of masses m1 and m2 are 'd' distance apart. Due to gravitational attraction they move towards each other. what is speed of m1 when their separation reduces to d/2.

Anonymous User Physics Laws of Motion and Friction 23 May, 2020 68 views

## Let z, w be complex numbers such that z +  = 0 and zw =  Then arg z equals Let z, w be complex numbers such that z + = 0 and zw = Then arg z equals

Anonymous User Maths Complex Numbers 22 May, 2020 56 views

Let z1 and z2 be two roots of the equation z2 + az + b = 0, z being complex further, assume that the origin, z1 and z2 form an equilateral triangle, then what will be a2?

Anonymous User Maths Complex Numbers 22 May, 2020 72 views

Consider a family of circles which are passing through the point (–1, 1) and are tangent to x-axis. If (h, k) are the co-ordinates of the centre of the circles, then the set of values of k is given by the interval-

Anonymous User Maths Circle 22 May, 2020 99 views

Three distinct points A, B and C are given in the 2–dimensional coordinate plane such that the ratio of the distance of any one of them from the point (1, 0) to the distance from the point (–1, 0) is equal to 1/3 . Then the circumcentre of the triangle ABC is at the point :-

Anonymous User Maths Circle 22 May, 2020 57 views

A and B are two fixed points and P moves such that PA = nPB where n != 1. Show that locus of P is a circle and for different values of n all the circles have a common radical axis.

Anonymous User Maths Circle 22 May, 2020 272 views

A real valued function f (x) satisfies the functional equation f(x – y) = f (x)f (y) – f(a – x)f(a + y) where a is a given constant and f(0) = 1, f(2a – x) is equal to

Anonymous User Maths Set, Relations and Functions 20 May, 2020 70 views

Let f : (–1, 1) B, be a function defined by f(x)  = , then f is both one­-one and onto when B is the interval

Anonymous User Maths Set, Relations and Functions 20 May, 2020 59 views

## What is the domain of the function f(x) = ? What is the domain of the function f(x) = ?

Anonymous User Maths Set, Relations and Functions 20 May, 2020 71 views

## If f : R  R satisfies f (x + y) = f (x) + f (y), for all and f (1) = 7, then  is If f : R R satisfies f (x + y) = f (x) + f (y), for all and f (1) = 7, then is

Anonymous User Maths Set, Relations and Functions 18 May, 2020 73 views

## Domain of definition of the function Domain of definition of the function Anonymous User Maths Set, Relations and Functions 18 May, 2020 67 views

## A function f from the set of natural numbers to integers defined by A function f from the set of natural numbers to integers defined by Anonymous User Maths Set, Relations and Functions 18 May, 2020 64 views

## If f : R  S, defined by f(x) = sin x -  cos x  + 1, is onto, then what will be the interval of S? If f : R S, defined by f(x) = sin x - cos x  + 1, is onto, then what will be the interval of S?

Anonymous User Maths Set, Relations and Functions 18 May, 2020 66 views

## The function  is The function is

Anonymous User Maths Set, Relations and Functions 17 May, 2020 69 views

## What is the domain of ? What is the domain of ?

Anonymous User Maths Set, Relations and Functions 17 May, 2020 68 views