Answers Given that (tan 2A = frac{2 tan A}{1 – tan^{2} A}), evaluate (tan 15°), leaving… Given that (tan 2A = frac{2 tan A}{1 – tan^{2} A}), evaluate (tan 15°), leaving your answer in… Read More
Answers The probabilities of Rotey obtaining the highest mark in Mathematics, Physics and Biology tests are… The probabilities of Rotey obtaining the highest mark in Mathematics, Physics and Biology tests are 0.9, 0.75 and… Read More
Answers Solve the simultaneous equations : (log_{2} x – log_{2} y = 2 ; log_{2} (x… Solve the simultaneous equations : (log_{2} x – log_{2} y = 2 ; log_{2} (x – 2y) =… Read More
Answers If the quadratic equation ((x + 1)(x + 2) = k(3x + 7)) has equal… If the quadratic equation ((x + 1)(x + 2) = k(3x + 7)) has equal roots, find the… Read More
Answers The position vectors of the points X and Y are (x = (-2i +… (a) The position vectors of the points X and Y are (x = (-2i + 5j)) and (y… Read More
Answers Solve : (2x^{2} + x – 6 (a) Solve : (2x^{2} + x – 6 < 0) (b) Express (frac{5 – 2sqrt{10}}{3sqrt{5} + sqrt{2}}) in… Read More
Answers A particle moves from point O along a straight line such that its acceleration at… A particle moves from point O along a straight line such that its acceleration at any time, t… Read More
Answers A manufacturer produces light bulbs which are tested in the following way. A batch… (a) A manufacturer produces light bulbs which are tested in the following way. A batch is accepted in… Read More
Answers Two ships M and N, moving with constant velocities, have position vectors (3i +… (a) Two ships M and N, moving with constant velocities, have position vectors (3i + 7j) and (4i… Read More
Answers The table gives the distribution of marks of 60 candidates in a test. Marks 23-25… The table gives the distribution of marks of 60 candidates in a test. Marks 23-25 26-28 29-31 32-34… Read More