“(a+b)2 – (a-b)2= 4ab Model” has been added to your cart. Continue shopping Product Price Quantity Subtotal Tower Of Brahma Puzzle ₹190.00 Tower Of Brahma Puzzle quantity ₹190.00 (a+b)2 - (a-b)2= 4ab Model ₹300.00 (a+b)2 - (a-b)2= 4ab Model quantity ₹300.00 Coupon: Cart Totals Subtotal ₹490.00 2.5% CGST ₹4.75 2.5% SGST ₹4.75 9% CGST ₹27.00 9% SGST ₹27.00 Total ₹554.00 Continue Shopping Checkout