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Recent questions in Mathematics
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consider statement1 is a fallacy. statement2 is a tautology
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Ajink Gupta
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11
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mathematicallogicpyqjeemain
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let a=jk and c=ijk. then the vector b satisfying ab+c=0 and a.b=3 is
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Jun 11
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Vector
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Brainiak
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13
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If u , v ,w are noncoplanar vectors and p,q are real numbers, then the equality
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Jun 11
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Vector
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Brainiak
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9
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0
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If α, β and γ are three consecutive terms of a nonconstant G.P. such that the equations
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Jun 4
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jeemain
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The Boolean expression ∼(p⇒(∼q)) is equivalent to :
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Jun 4
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jeemain
jeemain2019maths
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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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Jun 3
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Brainiak
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jeemain
maths
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1
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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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jeemain2019maths
maths
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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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3
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jeemain
0
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1
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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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5
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jeemain2019maths
jeemain
imp
tangentsandnormal
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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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Brainiak
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jeemain2019maths
jeemain
maths
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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 3
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Brainiak
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jeemain2019maths
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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
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Jun 1
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Brainiak
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4
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cengage
jeemain
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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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May 31
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Brainiak
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17
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+2
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1
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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
asked
Apr 13
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Trigonometry
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Topper11
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3.1k
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140
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jeemain
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1
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If A=[ 1 2 2 2 1 2 2 2 1] and A^1 exists and A≠0 , then (A^24A)A^1=
asked
Apr 12
in
Mathematics
by
Topper11
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3.1k
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7
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jeemain
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1
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Given that x = 9 is a root of The other two roots are ______ and ________ .
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Apr 11
in
Mathematics
by
Brainiak
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6.0k
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12
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jeemain
cengage
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1
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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
asked
Apr 11
in
Mathematics
by
Brainiak
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6.0k
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2
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jeemain
cengage
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1
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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
asked
Apr 8
in
Mathematics
by
Brainiak
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6.0k
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9
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jeemain
+2
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1
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Evaluate int {root x^2 + a^2} dx solve this question
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Apr 3
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Brainiak
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34
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+1
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0
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Find the value of A and B if int(sinx/sin(xalpha))dx=
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Apr 3
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Brainiak
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7
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