Answers There are 6 points in a plane. How many triangles can be formed with… (a) There are 6 points in a plane. How many triangles can be formed with the points? (b)… Read More
Answers If (2^{2x – 3y} = 32) and (log_{y} x = 2), find the values of x… If (2^{2x – 3y} = 32) and (log_{y} x = 2), find the values of x and y. Explanation… Read More
Answers If (x + 2) and (x – 1) are factors of (f(x) = 6x^{4} +… If (x + 2) and (x – 1) are factors of (f(x) = 6x^{4} + mx^{3} – 13x^{2}… Read More
Answers The sum of the 2nd and 5th terms of an arithmetic progression (AP) is 42…. The sum of the 2nd and 5th terms of an arithmetic progression (AP) is 42. If the difference… Read More
Answers ABCD is a square. Forces of magnitude 14N, 4N, 2N and (2sqrt{2} N) act along… ABCD is a square. Forces of magnitude 14N, 4N, 2N and (2sqrt{2} N) act along the sides AB,… Read More
Answers Two forces, each of magnitude 16 N, are inclined to each other at an angle… Two forces, each of magnitude 16 N, are inclined to each other at an angle of 60°. Calculate… Read More
Answers Calculate, correct to one decimal place, the angle between 5i + 12j and -2i +… Calculate, correct to one decimal place, the angle between 5i + 12j and -2i + 3j. A. 54.8°… Read More
Answers A particle is projected vertically upwards from a height 45 metres above the ground with… A particle is projected vertically upwards from a height 45 metres above the ground with a velocity of… Read More
Answers If (a = begin{pmatrix} 3 \ 2 end{pmatrix}) and (b = begin{pmatrix} -3 \ 5… If (a = begin{pmatrix} 3 \ 2 end{pmatrix}) and (b = begin{pmatrix} -3 \ 5 end{pmatrix}), find a… Read More
Answers A lift moving upwards with a uniform acceleration of 5(ms^{-2}) carries a body of mass… A lift moving upwards with a uniform acceleration of 5(ms^{-2}) carries a body of mass p kg. If… Read More