“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Coupled Pendulum ₹750.00 Coupled Pendulum quantity ₹750.00 Geometrical Solids ₹450.00 Geometrical Solids quantity ₹450.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹1,620.00 9% CGST ₹145.80 9% SGST ₹145.80 Total ₹1,912.00 Continue Shopping Checkout