Simplify the following: (2x + 5y)^2 + (2x – 5y)^2

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Simplify the following:
(i) (2x + 5y)2 + (2x – 5y)2
(ii) \left(\frac{7}{2} a-\frac{5}{2} b\right)^{2}-\left(\frac{5}{2} a-\frac{7}{2} b\right)^{2}
(iii) (p2 – q2r)2 + 2p2q2r

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 10 Algebraic Expressions and Identities Ex 10.5 13
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 10 Algebraic Expressions and Identities Ex 10.5 14

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