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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.
4Ps of Marketing: Product Strategy Product is a good (tangible) or a service (intangible) that is offered to the customer to meet a requirement or satisfy a need. Its production incurs cost and itâs sold to the target customer at a certain price.