Chapter 9 – Algebraic Expressions and Identities
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3. Which of the following is correct?
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Jul
3. Which of the following is correct? 3. Which of the following is correct? July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
2. In a polynomial, the exponents of the variables are always
19
Jul
2. In a polynomial, the exponents of the variables are always 2. In a polynomial the exponents of the variables are always July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
1. The product of a monomial and a binomial is a
19
Jul
1. The product of a monomial and a binomial is a 1. The product of a monomial and a binomial is a July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 20 : Find the value of x, if 10000x = (9982)^2 – (18)^2
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Jul
Example 20 : Find the value of x, if 10000x = (9982)^2 – (18)^2 Example 20 : Find the value of x if 10000x = (9982)^2 – (18)^2 July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 19 : Find the value of 38^2 – 22^/16 , using a suitable identity.
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Jul
Example 19 : Find the value of 38^2 – 22^/16 , using a suitable identity. Example 19 : Find the value of 38^2 - 22^/16 using a suitable identity. July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 18 : By using suitable identity, evaluate x^2 + 1/x^2 , if x + 1/x = 5
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Jul
Example 18 : By using suitable identity, evaluate x^2 + 1/x^2 , if x + 1/x = 5 evaluate x^2 + 1/x^2 Example 18 : By using suitable identity if x + 1/x = 5 July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT [...]
Example 17 : Divide 15 (y + 3) (y^2 – 16) by 5 (y^2 – y – 12).
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Jul
Example 17 : Divide 15 (y + 3) (y^2 – 16) by 5 (y^2 – y – 12). Example 17 : Divide 15 (y + 3) (y^2 – 16) by 5 (y^2 – y – 12). July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , [...]
Example 16 : The area of a rectangle is x^2 + 12xy + 27y^2 and its length is (x + 9y). Find the breadth of the rectangle.
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Jul
Example 16 : The area of a rectangle is x^2 + 12xy + 27y^2 and its length is (x + 9y). Find the breadth of the rectangle. Example 16 : The area of a rectangle is x^2 + 12xy + 27y^2 and its length is (x + 9y). Find the breadth of the rectangle. July [...]
Example 15 : Verify that (11pq + 4q)^2 – (11pq – 4q)^2 = 176pq^2
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Jul
Example 15 : Verify that (11pq + 4q)^2 – (11pq – 4q)^2 = 176pq^2 Example 15 : Verify that (11pq + 4q)^2 – (11pq – 4q)^2 = 176pq^2 July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
Example 14 : Verify that (3x + 5y)^2 – 30xy = 9x^2 + 25y^2
19
Jul
Example 14 : Verify that (3x + 5y)^2 – 30xy = 9x^2 + 25y^2 Example 14 : Verify that (3x + 5y)^2 – 30xy = 9x^2 + 25y^2 July 19, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,