Chapter 9 – Algebraic Expressions and Identities
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113. Verify the following: (vi) (a – b) (a – b) (a – b) = a^3 – 3a^2b + 3ab^2 – b^3
27
Jul
113. Verify the following: (vi) (a – b) (a – b) (a – b) = a^3 – 3a^2b + 3ab^2 – b^3 113. Verify the following: (vi) (a – b) (a – b) (a – b) = a^3 – 3a^2b + 3ab^2 – b^3 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 [...]
113. Verify the following: (v) (a + b) (a + b) (a + b) = a^3 + 3a^2b + 3ab^2 + b^3
27
Jul
113. Verify the following: (v) (a + b) (a + b) (a + b) = a^3 + 3a^2b + 3ab^2 + b^3 113. Verify the following: (v) (a + b) (a + b) (a + b) = a^3 + 3a^2b + 3ab^2 + b^3 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 [...]
113. Verify the following: (ix) (7p – 13q)^2 + 364pq = (7p + 13q)^2
27
Jul
113. Verify the following: (ix) (7p – 13q)^2 + 364pq = (7p + 13q)^2 113. Verify the following: (ix) (7p – 13q)^2 + 364pq = (7p + 13q)^2 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
113. Verify the following: (iv) (m + n) (m^2 – mn + n^2) = m^3 + n^3
27
Jul
113. Verify the following: (iv) (m + n) (m^2 – mn + n^2) = m^3 + n^3 113. Verify the following: (iv) (m + n) (m^2 – mn + n^2) = m^3 + n^3 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class [...]
113. Verify the following: (iii) (p – q) (p^2 + pq + q^2) = p^3 – q^3
27
Jul
113. Verify the following: (iii) (p – q) (p^2 + pq + q^2) = p^3 – q^3 113. Verify the following: (iii) (p – q) (p^2 + pq + q^2) = p^3 – q^3 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class [...]
113. Verify the following: (ii) (a + b + c) (a^2 + b^2 + c^2 – ab – bc – ca) = a^3 + b^3+ c^3 – 3abc
27
Jul
113. Verify the following: (ii) (a + b + c) (a^2 + b^2 + c^2 – ab – bc – ca) = a^3 + b^3+ c^3 – 3abc 113. Verify the following: (ii) (a + b + c) (a^2 + b^2 + c^2 – ab – bc – ca) = a^3 + b^3+ c^3 – [...]
113. Verify the following: (i) (ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) = 0
27
Jul
113. Verify the following: (i) (ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) = 0 113. Verify the following: (i) (ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) = 0 July [...]
112. If a^2 + b^2 = 74 and ab = 35, then find a + b.
27
Jul
112. If a^2 + b^2 = 74 and ab = 35, then find a + b. 112. If a^2 + b^2 = 74 and ab = 35 then find a + b. July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
111. If m – n = 16 and m^2 + n^2 = 400, then find mn.
27
Jul
111. If m – n = 16 and m^2 + n^2 = 400, then find mn. 111. If m – n = 16 and m^2 + n^2 = 400 then find mn. July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
110. If x – y = 13 and xy = 28, then find x^2 + y^2.
27
Jul
110. If x – y = 13 and xy = 28, then find x^2 + y^2. 110. If x – y = 13 and xy = 28 then find x^2 + y^2. July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,