Difference between Their and There | Same Pronunciation Different Meaning | Class 6 | CBSE | #shorts

Find the difference between the median and mean of factors of 42.

Two A.P.'s have the same common difference. The first term of one A.P. is 2 and that of the other is 7. Show that the difference between their 10th terms is the same as the difference between their 21th terms, which is the same as the difference between any two corresponding terms.

Two A.P have the same common difference. The first term of one A.P is 2 and that of the other is 7. The difference between the 10 th terms is the same as the difference between their 21 st terms,which is the same as the difference between any corresponding terms. Why?