“(a+b)2 + (a-b)2= 2a2 + 2b2 Model” has been added to your cart. Continue shopping Product Price Quantity Subtotal 4 x 4 Square Puzzle ₹160.00 4 x 4 Square Puzzle quantity ₹160.00 Dr. Vikram Sarabhai - A life in Nation Building ₹100.00 Dr. Vikram Sarabhai - A life in Nation Building quantity ₹100.00 (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 ₹575.00 2.5% CGST ₹4.00 2.5% SGST ₹4.00 9% CGST ₹28.35 9% SGST ₹28.35 Total ₹640.00 Continue Shopping Checkout