NCERT Class 8
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 ,
109. If a + b = 25 and a^2 + b^2 = 225, then find ab.
27
Jul
109. If a + b = 25 and a^2 + b^2 = 225, then find ab. 109. If a + b = 25 and a^2 + b^2 = 225 then find ab. July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
108. If p + q = 12 and pq = 22, then find p^2 + q^2.
27
Jul
108. If p + q = 12 and pq = 22, then find p^2 + q^2. 108. If p + q = 12 and pq = 22 then find p^2 + q^2. July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
107. The radius of a circle is 7ab – 7bc – 14ac. Find the circumference of the circle.
27
Jul
107. The radius of a circle is 7ab – 7bc – 14ac. Find the circumference of the circle. 107. The radius of a circle is 7ab – 7bc – 14ac. Find the circumference of the circle. July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , [...]
106. The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30 units?
27
Jul
106. The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30 units? 95. Perform the following divisions: (i) (3pqr – 6p^2q^2r^2) ÷ 3pq July 27, [...]