If a and B Are

question 53

True/False

If A and B are
matrices that are both normal, and

, then both
and AB are normal.

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Definitions:

Title of Goods

The legal right to own, use, or sell a particular item of property, such as merchandise held for sale.

3/10 Net 30

A payment term indicating that a buyer can deduct 3% of the invoice amount if payment is made within 10 days; otherwise, the full amount is due within 30 days.

Invoice

A document issued by a seller to a buyer, detailing products or services provided, prices, and payment terms.

Markup

The amount added to the cost price of goods to cover overhead and profit, expressed as a percentage of the cost.