Class 9 / CBSE Maths / Polynomials / Polynomials

POLYNOMMIALS

POLYNOMIALS Introduction  You have studied algebraic expressions, their addition, subtraction, multiplication and division in earlier classes. You also have studied how to factorise some al

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Class 9 / CBSE Maths / Polynomials / Polynomials

POLYNOMIALS

 Polynomials in One Variable Let us begin by recalling that a variable is denoted by a symbol that can take any real value. We use the letters x, y, z, etc. to denote variables. Notice that 2

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Class 9 / CBSE Maths / Polynomials / Polynomials

POLYNOMIALS

Zeroes of a Polynomial Consider the polynomial p(x) = \(5{{x}^{3}}-2{{x}^{2}}+3x-2\)  If we replace x by 1 everywhere in p(x), we get \( \begin{align}   & p\left( 1 \right)=5\times

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Class 9 / CBSE Maths / Polynomials / Polynomials

POLYNOMIALS

Factorisation of Polynomials  Let us now look at the situation of Example 10 above more closely. It tells us that since the remainder, \(\left( q-\frac{1}{2} \right)= 0\), (2t + 1) is a factor

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Class 9 / CBSE Maths / Polynomials / Polynomials

POLYNOMIALS

Algebraic Identities From your earlier classes, you may recall that an algebraic identity is an algebraic equation that is true for all values of the variables occurring in it. You have studied th

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