Answers Given that (x = 3i – j, y = 2i + kj) and the… (a) Given that (x = 3i – j, y = 2i + kj) and the cosine of the… Read More
Answers Differentiate ((x – 3)(x^{2} + 5)) with respect to x. (b) If ((x +… (a) Differentiate ((x – 3)(x^{2} + 5)) with respect to x. (b) If ((x + 1)^{2}) is a… Read More
Answers Express (frac{5 + sqrt{2}}{3 – sqrt{2}} – frac{5 – sqrt{2}}{3 + sqrt{2}}) in the… (a) Express (frac{5 + sqrt{2}}{3 – sqrt{2}} – frac{5 – sqrt{2}}{3 + sqrt{2}}) in the form (a +… Read More
Answers If (f(x) = frac{x – 3}{2x – 1} , x neq frac{1}{2}) and (g(x) = frac{x… (a) If (f(x) = frac{x – 3}{2x – 1} , x neq frac{1}{2}) and (g(x) = frac{x – 1}{x +… Read More
Answers The table shows the distribution of the lengths of 20 iron rods measured in metres… The table shows the distribution of the lengths of 20 iron rods measured in metres : Length (m)… Read More
Answers Find the direction of the resultant of the forces in the diagram. Find the direction of the resultant of the forces in the diagram. Explanation (R_{1} = begin{pmatrix} -20 cos… Read More
Answers If (alpha) and (beta) are the roots of (3x^{2} + 5x + 1 = 0),… If (alpha) and (beta) are the roots of (3x^{2} + 5x + 1 = 0), evaluate (27(alpha^{3} +… Read More
Answers Find the gradient of (xy^{2} + x^{2} y = 4xy) at the point (1, 3). Find the gradient of (xy^{2} + x^{2} y = 4xy) at the point (1, 3). Explanation (xy^{2} +… Read More
Answers The position vectors of P, Q and R are (11i + j, 5i + frac{13}{3}j)… The position vectors of P, Q and R are (11i + j, 5i + frac{13}{3}j) and (2i +… Read More
Answers A committee of 3 is formed from a panel of 5 men and 3 women…. A committee of 3 is formed from a panel of 5 men and 3 women. Find the :… Read More