“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal (a+b)2 + (a-b)2= 2a2 + 2b2 Model ₹315.00 (a+b)2 + (a-b)2= 2a2 + 2b2 Model quantity ₹315.00 Buckyball: The Magical Molecule (50 Nos.) ₹410.00 Buckyball: The Magical Molecule (50 Nos.) quantity ₹410.00 ∑n2 = n(n+1)(2n+1)/6 ₹440.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹440.00 Coupon: Cart Totals Subtotal ₹1,165.00 9% CGST ₹67.95 9% SGST ₹67.95 Total ₹1,301.00 Continue Shopping Checkout