Maths
General
Easy
Question
If ^{r} means (log log log......), the log being repeated r times, then
is equal to

 + c

 None of these
The correct answer is:
To find the value of .
Therefore, the value of is
Related Questions to study
physics
A man standing between two parallel hills, claps his hand and hears successive echoes at regular intervals of 11s If velocity of sound is then the distance between the hills is
A man standing between two parallel hills, claps his hand and hears successive echoes at regular intervals of 11s If velocity of sound is then the distance between the hills is
physicsGeneral
physics
A massless rod is suspended by two identical strings AB and CD of equal length. A block of mass m is suspended from point O such that is equal to Further, it is observed that the frequency of 1^{st} harmonic (fundamental frequency) in AB is equal to 2^{nd} harmonic frequency in CD. Then, length of BO is
A massless rod is suspended by two identical strings AB and CD of equal length. A block of mass m is suspended from point O such that is equal to Further, it is observed that the frequency of 1^{st} harmonic (fundamental frequency) in AB is equal to 2^{nd} harmonic frequency in CD. Then, length of BO is
physicsGeneral
physics
If the velocity of sound in air is 336 m/s The maximum length of a closed pipe that would produce a just audible sound will be
If the velocity of sound in air is 336 m/s The maximum length of a closed pipe that would produce a just audible sound will be
physicsGeneral
Maths
If Ax + B log sin (x – ) + c, then value of (A, B) is –
If Ax + B log sin (x – ) + c, then value of (A, B) is –
MathsGeneral
Maths
If x sin x dx = – x cos x + , then =
If x sin x dx = – x cos x + , then =
MathsGeneral
maths
The equation of the tangent to the parabola y = (x – 3)^{2} parallel to the chord joining the points (3, 0) and (4, 1) is 
The equation of the tangent to the parabola y = (x – 3)^{2} parallel to the chord joining the points (3, 0) and (4, 1) is 
mathsGeneral
maths
The line x + y = a touches the parabola y = x – x^{2}, and f (x) = sin^{2} x + sin^{2} + cosx cos , g = 1, b = (gof) (x), then
The line x + y = a touches the parabola y = x – x^{2}, and f (x) = sin^{2} x + sin^{2} + cosx cos , g = 1, b = (gof) (x), then
mathsGeneral
maths
If θ be the angle subtended at the focus by the normal chord at the point (λ,λ ),λ ≠ 0 on the parabola y^{2} = 4ax, then equation of the line through (1, 2) and making and angle θ with xaxis is
If θ be the angle subtended at the focus by the normal chord at the point (λ,λ ),λ ≠ 0 on the parabola y^{2} = 4ax, then equation of the line through (1, 2) and making and angle θ with xaxis is
mathsGeneral
maths
The length of a focal chord of the parabola y^{2} = 4ax at a distance b from the vertex is c. Then
The length of a focal chord of the parabola y^{2} = 4ax at a distance b from the vertex is c. Then
mathsGeneral
maths
The equation of common tangent to the parabolas y^{2} = 4ax and x^{2} = 4by is
The equation of common tangent to the parabolas y^{2} = 4ax and x^{2} = 4by is
mathsGeneral
maths
A line L passing through the focus of the parabola y^{2} = 4(x –1) intersects the parabola in two distinct points. If 'm' be the slope of the line L then
A line L passing through the focus of the parabola y^{2} = 4(x –1) intersects the parabola in two distinct points. If 'm' be the slope of the line L then
mathsGeneral
maths
The triangle formed by tangent to the parabola y = x^{2} at the point whose abscissa is x_{0} (where x_{0} [1, 2]), the yaxis and the straight line y = x_{0}^{2} has the greatest area if x_{0} is equal to
The triangle formed by tangent to the parabola y = x^{2} at the point whose abscissa is x_{0} (where x_{0} [1, 2]), the yaxis and the straight line y = x_{0}^{2} has the greatest area if x_{0} is equal to
mathsGeneral
maths
AB is a chord of the parabola y^{2} = 4ax with vertex at A. BC is drawn perpendicular to AB meeting the axis at C. The projection of BC on the xaxis is
AB is a chord of the parabola y^{2} = 4ax with vertex at A. BC is drawn perpendicular to AB meeting the axis at C. The projection of BC on the xaxis is
mathsGeneral
maths
If f (x) = and be the values of x, where f (f(x)) is not defined, then a ray of light parallel to the axis of the parabola y^{2} = 4x after reflection from the internal surface of the parabola will necessarily pass through the point.
If f (x) = and be the values of x, where f (f(x)) is not defined, then a ray of light parallel to the axis of the parabola y^{2} = 4x after reflection from the internal surface of the parabola will necessarily pass through the point.
mathsGeneral
maths
If the normal at three points (ap^{2}, 2ap), (aq^{2}, 2aq) and (ar^{2}, 2ar) are concurrent then the common root of equations px^{2} + qx + r = 0 and a(b – c) x^{2} + b (c – a) x + c(a – b) = 0 is
If the normal at three points (ap^{2}, 2ap), (aq^{2}, 2aq) and (ar^{2}, 2ar) are concurrent then the common root of equations px^{2} + qx + r = 0 and a(b – c) x^{2} + b (c – a) x + c(a – b) = 0 is
mathsGeneral