“∑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 Pythagoras Theorem (Model - 2) ₹260.00 Pythagoras Theorem (Model - 2) quantity ₹260.00 Vigyan Drashti - Old Issues (Set of 6) ₹90.00 Vigyan Drashti - Old Issues (Set of 6) quantity ₹90.00 (a+b)2 + (a-b)2= 2a2 + 2b2 Model ₹300.00 (a+b)2 + (a-b)2= 2a2 + 2b2 Model quantity ₹300.00 Fifteen block puzzle ₹290.00 Fifteen block puzzle quantity ₹290.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹1,700.00 9% CGST ₹118.80 9% SGST ₹118.80 2.5% CGST ₹7.25 2.5% SGST ₹7.25 Total ₹1,952.00 Continue Shopping Checkout