Examlex
Do the operation and express the answer in a + bi form.
Substitute Product
A good or service that can be used in place of another to satisfy similar needs or desires.
Complements
Products or services that are used together, where the consumption or use of one increases the demand for the other.
Substitutes
Goods or services that can be used in place of each other, satisfying the same needs or desires.
Complements
Products or services that are often used together, such that demand for one increases the demand for the other.
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