# When co - ordinate meets calculus

Level pending

Find the minimum distance between the lines

$$ax +7y + 13$$ and $$ax + 5y + 8$$ .

If your answer is $$a$$ + $$b$$√6 . Enter $$a$$ + $$b$$ as your answer.

Details and Explanations

• Minimum distance means minimum possible distance between any two points .

• Express your answer as $$a$$ + $$b$$√6 and enter $$a$$ + $$b$$ as your answer.

• Where $$a$$ , $$b$$ ∈ +ve I

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