The form of the word 'derive' which would be best used in the sentence is:
a. derivable
Explanation:
The sentence will be:
The math problem was incredibly complicated, but its solution was easily derivable from the clues we were given by the teacher.
Word forms are the number of ways a word can be used. The same word can be used as a noun, verb, or an adjective in different ways and different sentences. Also, by adding suffixes and prefixes they can be further used.
Because of the certain time periods, these armies became too proud of their power, which eventually led to their downfall. Power invites challenge, challenge incites conflict. Because we're all human, we're always bound to win and lose, but never be invincible.
