The relationship that occurs when companies understand that their core competencies require another firm's competencies to succeed is a
a. synergistic relationship.
b. transactional relationship.
c. deterministic relationship.
d. complementary relationship.

A

Explanation:

Synergistic relationship is a mutual relationship between two companies, where both inquire about each other and depend on each other. The activities and transaction of such companies are jointly executed together seeing that they can't necessarily function alone.

we need a diagram to you sorry