In the diagram, a mass of 12kg hanging from a light inextensible string is pulled…
In the diagram, a mass of 12kg hanging from a light inextensible string is pulled aside by a…
The distribution of the masses of a group of persons is shown in the following…
The distribution of the masses of a group of persons is shown in the following table Mass/kg 10.5…
Three soldies, X, Y and Z have probabilities (frac{1}{3}, frac{1}{5}) and (frac{1}{4}) respectively of hitting…
Three soldies, X, Y and Z have probabilities (frac{1}{3}, frac{1}{5}) and (frac{1}{4}) respectively of hitting a target. If…
If (alpha) and (beta) are the roots of the equation 3x(^2) + 4x – 5…
If (alpha) and (beta) are the roots of the equation 3x(^2) + 4x – 5 = 0, find…
Differentiate from first principles, with respect to x, (3x(^2) + 2x – 1)
Differentiate from first principles, with respect to x, (3x(^2) + 2x – 1) Explanation Substitute x by (x…
Find the equation of the circle centre (2. 3) which passes through the y -…
Find the equation of the circle centre (2. 3) which passes through the y – intercept of the…
Given that ((_r^n)) = (^nC_r), simplify ((^{2x + 1}_{3})) – ((^{2x – 1}_3)) – 2((^x_2))
Given that ((_r^n)) = (^nC_r), simplify ((^{2x + 1}_{3})) – ((^{2x – 1}_3)) – 2((^x_2)) Explanation ((^{2x +…
An object is thrown up a smooth plane inclined at an angle of 30°…
(a) An object is thrown up a smooth plane inclined at an angle of 30° to the horizontal.…
Forces (F_{1} = begin{pmatrix} -5 & 4 end{pmatrix} N; F_{2} = begin{pmatrix} 2 \…
(a) Forces (F_{1} = begin{pmatrix} -5 & 4 end{pmatrix} N; F_{2} = begin{pmatrix} 2 \ 5 end{pmatrix} N;…
The position vectors of points P, Q and R with respect to the origin are…
The position vectors of points P, Q and R with respect to the origin are ((4i – 5j),…