Combine the Terms Y And $y ^ { \prime }$ Into the Derivative of a Product

question 55

True/False

Combine the terms y and $y ^ { \prime }$ into the derivative of a product: $y ^ { \prime } \tan t + y \sec ^ { 2 } t = 1$ .
Is this derivative correct: $\frac { \mathrm { d } } { \mathrm { dt } } [ \mathrm { y } \tan \mathrm { t } ] = 1$ ?

---

Definitions:

Buying Process

The series of steps a consumer goes through when deciding to purchase a product or service, from problem recognition to post-purchase behavior.

Buying Situations

Various contexts or scenarios in which consumers find themselves that influence their purchasing decisions.

Straight Rebuy

A routine purchasing decision where a buyer reorders a product or service without modifications or consideration of alternatives.

Modified Rebuy

A buying situation in which an organization makes an alteration to an existing purchase decision.