tell me what the underlined symbol means if u are a genius.... I will mark as brainliest if it has a long and detailed explanation...... so plz explain its function clearly and and also what it will do to the highlighted expression.
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∑ means either summing up or even multiplying ,,, according to the sum....it is Multiply. These symbols have the same meaning; commonly × is used to mean multiplication . The symbol * is used in spreadsheets and other computer applications to indicate a multiplication, although * does have other more complex meanings in mathematics
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it is sigma it means addition
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