Answer:
The number of different gardens that a farmer can plant such that he gets one row each of six vegetables is:
720.
Explanation:
It is given that a farmer wants to plant one row each of six vegetables.
This means he want to find the different such garden possible after arranging the six vegetables.
This means that we need to use the permutation as we have to make such an arrangement.
Hence, the number of ways of doing so is calculated as:

Hence, the different number of garden he gets is:
720