Final Cover - For Printing

Eg. : Find the product of 5x^2 – 3x +5 and 2x -4

Solution :

Therefore, the product is 10x^3 – 26x^2 + 22x - 20

Emphasis must be laid on the order in which the multiplication is to be performed.
As this is a visual concept, the spatial presentation of this in Braille will help the
child to understand the positions of the multiplied numbers. The cubarithm kind of
mathematical board may also be helpful to develop this concept.

A panel or magnetic board with Braille inscribed numbers will be useful to understand

the concept. In order to understand the correct rows and columns, separators in the

form of thread may also be provided on the board.

16. Division of polynomials
    The process of division of a polynomial f(x) by another polynomial g(x) is to find
    out two polynomials q(x) and r(x) such that f(x) = q(x)g(x) + r(x) where either
    r(x) = 0 or degree of r(x) is less than degree of g(x). Here f(x) is called the dividend,
    g(x) the divisor, q(x) the quotient and r(x) the remainder. In the process of division
    of f(x) by g(x) assume that the degree of the dividend f(x) is always greater or
    equal to that of the divisor g(x) because if degree of f(x) is less than the degree of
    g(x), then q(x) = 0 and r(x) = f(x). The applications of dividend, divisor, quotient

5-3 5

2-4

10 -6 10

-20 12 -20

10 -26 22 -20