“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Giant Periscope (with display stand) ₹12,900.00 Giant Periscope (with display stand) quantity ₹12,900.00 (a+b)2 - (a-b)2= 4ab Model ₹300.00 (a+b)2 - (a-b)2= 4ab Model quantity ₹300.00 (a + b)3 Model ₹330.00 (a + b)3 Model quantity ₹330.00 Make a Circumpolar Constellation Dial (50 Nos.) ₹350.00 Make a Circumpolar Constellation Dial (50 Nos.) quantity ₹350.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹14,300.00 9% CGST ₹1,255.50 9% SGST ₹1,255.50 Total ₹16,811.00 Continue Shopping Checkout