Answers The distribution of the lives (in days) of 40 transitor batteries is shown in… (a) The distribution of the lives (in days) of 40 transitor batteries is shown in the table: Battery… Read More
Answers The table below shows the corresponding values of two variables X and Y. X 33… The table below shows the corresponding values of two variables X and Y. X 33 31 28 25… Read More
Answers Use the trapezium rule with five ordinates to evaluate (int_{0} ^{1} frac{3}{1 + x^{2}}… (a) Use the trapezium rule with five ordinates to evaluate (int_{0} ^{1} frac{3}{1 + x^{2}} mathrm {d} x),… Read More
Answers Simplify (^{n + 1}C_{3} – ^{n – 1}C_{3}) (b) A fair die is thrown… (a) Simplify (^{n + 1}C_{3} – ^{n – 1}C_{3}) (b) A fair die is thrown five times. Calculate,… Read More
Answers The 3rd and 6th terms of a Geometric Progression (G.P) are 2 and 54… (a) The 3rd and 6th terms of a Geometric Progression (G.P) are 2 and 54 respectively. Find the… Read More
Answers Using the same axes, sketch the curves (y = 6 – x – x^{2})… (a) Using the same axes, sketch the curves (y = 6 – x – x^{2}) and (y =… Read More
Answers Evaluate (int_{1} ^{2} frac{x}{sqrt{5 – x^{2}}} mathrm {d} x) (b)(i) Evaluate: (begin{vmatrix} 2 &… (a) Evaluate (int_{1} ^{2} frac{x}{sqrt{5 – x^{2}}} mathrm {d} x) (b)(i) Evaluate: (begin{vmatrix} 2 & -3 & 1… Read More
Answers The coordinates of the vertices of triangle ABC are A(-2, 1), B(4, -2) and C(1,… The coordinates of the vertices of triangle ABC are A(-2, 1), B(4, -2) and C(1, 8) respectively. If… Read More
Answers The position vector of a body, with respect to the origin, is given by (r… The position vector of a body, with respect to the origin, is given by (r = 4ti +… Read More
Answers A student representative council consists of 8 girls and 6 boys. If an editorial board… A student representative council consists of 8 girls and 6 boys. If an editorial board consisting of 5… Read More