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Let be the identity matrix of order 2, and let
. Find the polynomial
for the given matrix A in order to find the zeros of
.
(In the study of matrices, is the characteristic polynomial of A, and the zeros of
are the characteristic values (eigenvalues) of A.)
Substitutes
Goods or services that can be used in place of each other; when the price of one goes up, the demand for the other can increase.
Elastic Demands
A market situation where the quantity demanded of a good or service significantly changes in response to a change in price.
Quantity Demanded
The total amount of a good or service that consumers are willing and able to purchase at a given price within a specified time period.
Substitutes
Products or services that can serve as replacements for each other, satisfying the same customer need or want.
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