“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Acrylic Display Stand for write- ups of large exhibits ₹250.00 Acrylic Display Stand for write- ups of large exhibits quantity ₹250.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹670.00 9% CGST ₹60.30 9% SGST ₹60.30 Total ₹791.00 Continue Shopping Checkout