A quadratic equation is a one-variable polynomial equation of the second degree whose general form is: ax2 + bx + c = 0, where a, b and c are constants…
read moreMultiplication of Complex Numbers The product of complex numbers a + bi and c + di is given as: (a + bi) + (c + di) = (ac – bd)…
read moreConjugate of complex number The conjugate of a complex number z = a + bi is: a – bi Example: Conjugate of 7 – 5i = 7 + 5i Addition…
read moreSolving algebraic problems get easy with readily available expressions. These expressions are knows as algebraic identities or rules which makes the job of a person easy, fast and reduces the…
read moreWe are told that we cannot take square root of a negative number. However, we can take the square root of a negative number, but it involves using a new…
read moreA complex number is a number which can be put in the form a + bi, where a and b are real numbers and i is called the imaginary unit,…
read moreThere is inverse relationship between logarithmic and exponential functions given by expressions below: If, y = ax then, x = loga(y) That is, if x raise to power a is…
read moreA geometric series is a series with a constant ratio between successive terms. For example, Since this ratio is common to all consecutive pairs of terms, it is called…
read moreAn arithmetic sequence is a sequence in which the difference between consecutive terms is constant. A series is the indicated sum of all the terms in a sequence. An arithmetic…
read moreNumber line is a widely used concept in mathematics. It is used to represent, compare, add and subtract real numbers. A number line is usually a horizontal straight line on…
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