“a2 – b2 = (a+b) (a-b) Model” has been added to your cart. Continue shopping Product Price Quantity Subtotal Separation of Substances ₹250.00 Separation of Substances quantity ₹250.00 a2 - b2 = (a+b) (a-b) Model ₹300.00 a2 - b2 = (a+b) (a-b) Model quantity ₹300.00 Coupon: Cart Totals Subtotal ₹550.00 9% CGST ₹49.50 9% SGST ₹49.50 Total ₹649.00 Continue Shopping Checkout