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Product of sequences. The product operator for the product of a sequence is denoted by the capital Greek letter Pi â (in analogy to the use of the capital Sigma â as summation symbol). The product of a sequence consisting of only one number is just that number itself.
Define: Actual Product. is a consumable product, which can also be a service or idea a customer is purchasing. Contrary to the overall consumer perception of a product there are actually three different levels which include the core, actual and the augmented product. The core product is also known as an added value benefit or what the actual productâs value to the consumer may be.