JEE Main 2021 Mathematics question

If the shortest distance between the straight lines 3(x – 1) = 6(y – 2) = 2 (z – 1) and 4(x – 2) = 2(y – ) = (z – 3), is , then the integral value of is equal to :

• (A)3Correct
• (B)2
• (C)5
• (D)–1