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Jun 29
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One of the diameter of the circle circumscribing the rectangle ABCD is 4y = x + 7. If A and B are the points
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Jun 15
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anonymous
consider statement-1 is a fallacy. statement-2 is a tautology
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Jun 11
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Brainiak
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let a=j-k and c=i-j-k. then the vector b satisfying ab+c=0 and a.b=3 is
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Jun 11
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Brainiak
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If u , v ,w are non-coplanar vectors and p,q are real numbers, then the equality
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Jun 4
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If α, β and γ are three consecutive terms of a non-constant G.P. such that the equations
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Jun 4
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Brainiak
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The Boolean expression ∼(p⇒(∼q)) is equivalent to :
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Jun 3
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A triangle has a vertex at (1, 2) and the mid points of the two sides through it are (-1, 1) and (2, 3). Then the centroid of this triangle is:
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maths
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Jun 3
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A plane which bisects the angle between the two given planes 2x – y + 2z – 4 = 0 and x + 2y + 2z – 2 = 0, passes through the point :0
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Jun 3
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Brainiak
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The equation of the common tangent to the curves y^2 = 16x and xy = - 4 is
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Jun 3
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Brainiak
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The equation of the common tangent to the curves y^2 = 8x and xy = - 1 is
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Jun 3
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Brainiak
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The general solution of the differential equation (y^2 – x^3 )dx – xydy = 0 (x ≠ 0) is :
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Jun 3
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Let a ∈ (0,π/2) be fixed. If the integral ∫ tan x + tan α/tan x - tan α dx = A(x) cos 2α + B(x) sin 2α + C, where C is a
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Jun 1
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Brainiak
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Suppose that f is differentiable for all x and that f’(x) ≤ 2 for all x. If f(1) = 2 and f(4) = 8, then f(2) has the value equal to
cengage
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May 31
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The system of linear equations x + y + z = 2 , 2x + 3y + 2z = 5 , 2x + 3y + (a2 – 1)z = a + 1
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Apr 13
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Topper11
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A aeroplane is flying horizontally with speed of 432 km/hr at height h meter from ground. Its angle of elevation
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Apr 12
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Topper11
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If A=[ 1 2 2 2 1 2 2 2 1] and A^-1 exists and A≠0 , then (A^2-4A)A^-1=
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Apr 11
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Brainiak
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Given that x = -9 is a root of ||The other two roots are ______ and ________ .
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Apr 11
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If the lines ax + y + 1 = 0, x + by + 1 = 0 and x + y + c = 0 (a, b, c being distinct and different from 1 ) are concurrent, then value of
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Apr 8
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Brainiak
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Area (in sq. units) of the region outside |x|/2 + |y|/3 = 1 and inside the ellipse x^2/4 + y^2/9 = 1 is
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Apr 3
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Brainiak
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Evaluate int {root x^2 + a^2} dx solve this question
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