“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Newton’s Cradle (large) ₹3,500.00 Newton’s Cradle (large) quantity ₹3,500.00 Resonance Strips ₹800.00 Resonance Strips quantity ₹800.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹4,720.00 9% CGST ₹424.80 9% SGST ₹424.80 Total ₹5,570.00 Continue Shopping Checkout