Matrix has huge applications in many fields: It is used to encode data for security reasons. It is used in gaming industry It is used to... View Article
In mathematics, a zero matrix is a matrix that has zero elements in it. It is also called null matrix. A zero matrix can be the order of 2x2,... View Article
If the dot product of two vectors equals to 1, that means the vectors are in same direction and if it is -1 then the vectors are in opposite... View Article
Suppose we have fraction such that, 1/(1+√2). Now if we want to rationalize the denominator then we will multiply both numerator and denominator... View Article
Permutation (nPr) is the way of arranging the elements of a group or a set in an order. The formula to find permutations is: nPr = n!/(n-r)!... View Article
A null vector is a vector that has magnitude equal to zero and is directionless. It is the resultant of two or more equal vectors that are acting... View Article
Cotangent is not same as tangent inverse. Cotangent function is equal to the reciprocal of tangent function. Cot x = 1/tan x Or Tan x = 1/cot... View Article
A 3x3 matrix has three rows and three columns. In matrix multiplication, each of the three rows of first matrix is multiplied by the columns of... View Article
Let us consider a, AM, b is an Arithmetic progression. Common difference, d = AM - a = b - AM Or 2 AM = a + b -------------- (1) Let a,GM,b... View Article
The first quartile Q1 is the center value that lies between the smallest or minimum value and the median of any given set of data. 25% of the... View Article
Linear programming is a method of optimization of a linear function to find a solution for linear problems. In graphical method, we plot the... View Article
The assumption of linear programming are: The relation shown by the constraints and the objective function are linear. The parameters could... View Article
A scalar quantity that has only magnitude and no direction is not vector, because vector has both magnitude and direction. The examples of... View Article
The value of the dot product of two vectors is equal to the product of the magnitude of the two vectors and cosine of angle subtended by them. It... View Article
The trigonometric equation of a given graph for sin and cos function is in the form of: Y = A sin Bx + C A is equal to the difference between... View Article
A negative force is the force acting on an object against the applied force. The applied force here is positive that is aimed in the right... View Article
Black coloured objects absorb all the wavelengths of light and do not reflect any of them. Therefore, it looks black in colour and is considered... View Article
The concept of electromagnetic induction is used in many devices such as: Current Clamp Induction Motors Electric generators Transformers... View Article
If theta (θ) is an acute angle, in a right triangle, then sin θ is equal to the ratio of opposite side of θ and hypotenuse. Sin θ = Opposite... View Article
The value of tan 90 degrees is not defined.The reason behind this is given below. Since we know, in a right-angled triangle, the tangent of an... View Article
