“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Pythagoras Theorem (Model - 1) ₹340.00 Pythagoras Theorem (Model - 1) quantity ₹340.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹760.00 9% CGST ₹68.40 9% SGST ₹68.40 Total ₹897.00 Continue Shopping Checkout