Chapter 9 – Algebraic Expressions and Identities
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81. Add: (iii) xy^2z^2 + 3x^2y^2z – 4x^2yz^2, – 9x^2y^2z + 3xy^2z^2 + x^2yz^2
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Jul
81. Add: (iii) xy^2z^2 + 3x^2y^2z – 4x^2yz^2, – 9x^2y^2z + 3xy^2z^2 + x^2yz^2 – 9x^2y^2z + 3xy^2z^2 + x^2yz^2 81. Add: (iii) xy^2z^2 + 3x^2y^2z – 4x^2yz^2 July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
81. Add: (ii) 9ax, + 3by – cz, – 5by + ax + 3cz
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Jul
81. Add: (ii) 9ax, + 3by – cz, – 5by + ax + 3cz – 5by + ax + 3cz + 3by – cz 81. Add: (ii) 9ax July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
81. Add: (i) 7a^2bc, – 3abc^2, 3a^2bc, 2abc^2
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Jul
81. Add: (i) 7a^2bc, – 3abc^2, 3a^2bc, 2abc^2 – 3abc^2 2abc^2 3a^2bc 81. Add: (i) 7a^2bc July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
80. The value of (a + 1) (a – 1) (a^2 + 1) is a^4 – 1.
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Jul
80. The value of (a + 1) (a – 1) (a^2 + 1) is a^4 – 1. 80. The value of (a + 1) (a – 1) (a^2 + 1) is a^4 – 1. July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class [...]
79. (9x – 51) ÷ 9 is x – 51.
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Jul
79. (9x – 51) ÷ 9 is x – 51. 79. (9x – 51) ÷ 9 is x – 51. July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
78. The value of p for 51^2 – 49^2 = 100p is 2.
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Jul
78. The value of p for 51^2 – 49^2 = 100p is 2. 78. The value of p for 51^2 – 49^2 = 100p is 2. July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
77. On dividing p/3 by 3/p , the quotient is 9.
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Jul
77. On dividing p/3 by 3/p , the quotient is 9. 77. On dividing p/3 by 3/p the quotient is 9. July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
76. abc + bca + cab is a monomial.
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Jul
76. abc + bca + cab is a monomial. 76. abc + bca + cab is a monomial. July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
75. The difference of the squares of two consecutive numbers is their sum.
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Jul
75. The difference of the squares of two consecutive numbers is their sum. 75. The difference of the squares of two consecutive numbers is their sum. July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
74. Factorised form of p^2 + 30p + 216 is (p + 18) (p – 12).
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Jul
74. Factorised form of p^2 + 30p + 216 is (p + 18) (p – 12). 74. Factorised form of p^2 + 30p + 216 is (p + 18) (p – 12). July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,