“(a+b)2 + (a-b)2= 2a2 + 2b2 Model” has been added to your cart. Continue shopping Product Price Quantity Subtotal Fifteen block puzzle ₹290.00 Fifteen block puzzle quantity ₹290.00 (a+b)2 + (a-b)2= 2a2 + 2b2 Model ₹315.00 (a+b)2 + (a-b)2= 2a2 + 2b2 Model quantity ₹315.00 Coupon: Cart Totals Subtotal ₹605.00 2.5% CGST ₹7.25 2.5% SGST ₹7.25 9% CGST ₹28.35 9% SGST ₹28.35 Total ₹676.00 Continue Shopping Checkout