Write a grammar for the language consisting of strings that have n copies of the letter a followed by the same number of copies of the letter b, where n > 0. for example, the strings ab, and in the language, but a, abb, ba, and aaabb are not.

Which sentences describe the things you need to ensure while creating a sketch and a drawing? while an artistic or creative drawing is a creative expression, a technical drawing is an informative expression. you need to create accurate and neat drawings to convey accurate information. a technical drawing clearly conveys its meaning or information, and does not leave room for interpretation maintain a good speed while creating drawings