STUDENT LOGIN

If you don't have an account, click here

Student Sign Up

REGISTER

Welcome Guest | Support: +91 -8080-544-000

Download:

Genext Image

Question 1 of 20

If A = {1, 2, 3}, B = {1, ,4, 6 , 9} and R is a realation from A to B defined by 'x' is greater than y. Find the range of R.





If tan θ = x - 1/4x, then find the value of sec θ.





limn(12 + 22 + 33 ………….+n2 )/n2 is equal to –





Find the mean deviation of the series a, a + d, a + 2d





If the sum of first n even natural numbers is equal to k times the sum of first n odd natural numbers, then find k.





If the point (5, 2) bisects the intercept of a line between the axes, then find its equation.





If the equation ( 4a - 3 ) x2 + ay2 + 6x - 2y + 2 - 0 represented circle, then find its centre.





If A and B are the sums of odd and even terms respectively in the expansion of (x + a)n, find (x + a)2n – (x – a)2n .





If the sum of n terms of an A.P. be 3n2 – n and its common difference is 6, then find its first term.





If A = {1, 2, 3}, B = {1, ,4, 6 , 9} and R is a realation from A to B defined by 'x' is greater than y. Find the range of R.





Let (3, 4, -1) and (–1,2, 3) be the end points of a diameter of a sphere. Find the radius of the sphere.





Let A = {1, ,2, 3}, B = {2, 3, 4}, than which of the following is a function from A to B?





If the roots of x2 – bx + c = 0 are two consecutive integers, find b2 = 4c.





Write the value of limxc {f(x) – f(c)} / (x - c) .





If in a triangle ABC, tan A + tan B + tan C = 0, then find cot A.cot B.cot C.





If α,β are the roots of the equation x2 + px + 1 =0 ; γδ the roots of the equation x2 + qx + 1 =0, then (α -γ) (α + δ)( β -γ ) (β + δ  ) = ?





A(6, 3), B(–3, 5), C(4, –2) and D(x, 3x) are four points. If Triangle DBC : Triangle ABC = 1 : 2, then find x.





If the focus of a parabola is (–2, 1) and the directrix has the equation x  + y = 3,  then find its vertex.





Let x1, x2, ……., xn be values taken by a variable X and y1, y2,…… , yn be the value taken by a variable Y such that yi = axi + b, I = 1, 2,….. , n. Than -





If T2/Tin the expansion of (a + b)n and T3/T4 in the expansion of (a + b)n+3 are equal, than n equal to -