# Category Archives: School Learning

Question 1. Find the coefficient of x5 in (x+3)8 Solution:  The (r+1)th term of (x+3)8 is given by Tr+1 = 8Cr(x)8-r(3)r (eq1). Therefore for x5… Read More
For a given curve tangent at a particular point is a straight line that just touches that curve at that point, and it goes in… Read More
In today’s world of the internet and connectivity, there is a lot of data available and some or the other method is needed for looking… Read More
Trigonometry is a branch of mathematics, which deal with the angles, lengths, and heights of triangles and their relationships. It had played an important role… Read More
Linear Equations allow us to explain a lot of physical phenomena happening around us. For example, A train running between two stations at a constant… Read More
Frustum of a cone is a special shape that is formed when we cut the cone with a plane parallel to its base. The cone… Read More
Triangles are three-sided polygon which have three vertices. Basic construction techniques allow us to construct triangles. An important property of the triangle is that sum… Read More
A circle is a collection of all the points in a plane that are at a constant distance from a particular point. This distance is… Read More
In each of the following, give the justification of the construction also: Question 1. Draw a line segment of length 7.6 cm and divide it… Read More
Question 1: In ΔABC, if ∠A = 40° and ∠B = 60°. Determine the longest and shortest sides of the triangle. Solution: Given that in… Read More
Question 1. Determine which of the following polynomials has (x + 1) as a factor: (i) x3+x2+x+1 Solution: p(x) = x3 + x2 + x… Read More
Question 1: Find the magnitude of the vector . Solution: Magnitude of a vector  => =>  =>  => Question 2: Find the unit vector in the… Read More
Question 11: Find the position vector of the mid-point of the vector joining the points P() and Q(). Solution: The mid-point of the line segment… Read More
Mirrors are the surfaces that reflect almost all types of incident light rays that hit their surface. The mirror can have either a plane or… Read More
Acceleration due to gravity (or acceleration of gravity) or gravity acceleration is the acceleration caused by the gravitational force of attraction of large bodies. As… Read More