Chapter 9 – Algebraic Expressions and Identities
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Example 11 : Find the expansion of the following using suitable identity. (i) (3x + 7y) (3x – 7y)
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Jul
Example 11 : Find the expansion of the following using suitable identity. (i) (3x + 7y) (3x – 7y) Example 11 : Find the expansion of the following using suitable identity. (i) (3x + 7y) (3x – 7y) July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , [...]
Example 10 : Simplify (i) – pqr (p^2 + q^2 + r^2)
19
Jul
Example 10 : Simplify (i) – pqr (p^2 + q^2 + r^2) Example 10 : Simplify (i) – pqr (p^2 + q^2 + r^2) July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 9 : (3x + 3x^2) ÷ 3x = 3x^2
19
Jul
Example 9 : (3x + 3x^2) ÷ 3x = 3x^2 Example 9 : (3x + 3x^2) ÷ 3x = 3x^2 July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 8 : Common factor of x^2y and – xy^2 is xy.
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Jul
Example 8 : Common factor of x^2y and – xy^2 is xy. Example 8 : Common factor of x^2y and – xy^2 is xy. July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 7 : An identity is true for all values of its variables.
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Jul
Example 7 : An identity is true for all values of its variables. Example 7 : An identity is true for all values of its variables. July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 6 : (x + a) (x + b) = x^2 + (a + b)x + ________.
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Jul
Example 6 : (x + a) (x + b) = x^2 + (a + b)x + ________. Example 6 : (x + a) (x + b) = x^2 + (a + b)x + ________. July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class [...]
Example 5 : The representation of an expression as the product of its factors is called __________.
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Jul
Example 5 : The representation of an expression as the product of its factors is called __________. Example 5 : The representation of an expression as the product of its factors is called __________. July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class [...]
Example 4 : a ( b + c) = ab + ac is
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Jul
Example 4 : a ( b + c) = ab + ac is Example 4 : a ( b + c) = ab + ac is July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 3 : The irreducible factorisation of 3a^3 + 6a is
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Jul
Example 3 : The irreducible factorisation of 3a^3 + 6a is Example 3 : The irreducible factorisation of 3a^3 + 6a is July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 2 : Which of the following is an identity?
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Jul
Example 2 : Which of the following is an identity? Example 2 : Which of the following is an identity? July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,