“(a+b)2 + (a-b)2= 2a2 + 2b2 Model” has been added to your cart. Continue shopping Product Price Quantity Subtotal Optical Illusions- Book ₹90.00 Optical Illusions- Book quantity ₹90.00 (a+b)2 + (a-b)2= 2a2 + 2b2 Model ₹300.00 (a+b)2 + (a-b)2= 2a2 + 2b2 Model quantity ₹300.00 Coupon: Cart Totals Subtotal ₹390.00 9% CGST ₹27.00 9% SGST ₹27.00 Total ₹444.00 Continue Shopping Checkout