“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Pythagoras Theorem (Model - 2) ₹260.00 Pythagoras Theorem (Model - 2) quantity ₹260.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹680.00 9% CGST ₹61.20 9% SGST ₹61.20 Total ₹802.00 Continue Shopping Checkout