Class 8 Ganita Prakash CBSE NCERT new syllabus Book Year 2025 to 26 Chapter 6 We Distribute,Yet Things Multiply Page No 142 to 143 Question 1 to 5 Solved Distributive property Identities Like term and Unlike term multiplication grid Expand the following products Find 3 examples where the product of two numbers remains unchanged when one of them is increased by 2 and the other is decreased by 4